Question

my biology journal

Answer 1

Biology Beginieres Journal

The Organization of Life. To start lets tell the Hierarchical Organization of the World. This chain is Individuals > Community > State > Country > World. Individuals are the smallest level of organization in the world. A a conunity is a groeup o induviduals lving close together. Many different communities make up a state. A country is the combination of many different states. The world is made up of many different countries.
Second chain is Atoms > Molecules > Cells > Tissues > Organs > Organ Systems > Organisms.
Atoms are the smallest level of organization for living things. A group of atoms that work together make up a molecule. A group of molecules that work together make up a cell. A group of cells that work together make up a tissue. A group of tissues that work together make up an organ. A group of organs that work together make up an organ system. A group of organ systems that work together make up an organism.
Cell Theory. There are three parts to the cell theory:
1. All living organisms are made of cells.
2. All cells come from other cells.
3. Cells are the basic unit of life.

Not all organisms have the same number of cells, but every living organism has at least one cell. Usually the bigger an organism, the more cells it will have.
Living organisms can be broken down into two different groups based on the number of cells found within the organism: Unicellular Organisms and Multicellular Organisms. Unicellular Organisms are organisms are very small and contain only one cell. Most of these organisms are too small to see without a microscope.
Multicellular organisms contain more than one cell. All plants and animals are multicellular organisms.
Cells Come From Other Cells. New cells come from other cells. Your skin cells make new skin cells, your hair cells make new hair cells, and bacteria make new bacteria. Ths is called Cell Division or Mitosis.
All living things have the following seven properties.

Homeostasis – living things can balance their internal conditions
Organization – living things, cells, and groups of cells are organized.
Metabolism – living things can break down other chemicals for energy.
Growth – living things use energy to grow.
Adaptation – living things can change in response to their environment.
Response to stimuli – living things respond to their environment.
Reproduction – living things have the ability to make new organisms.

The different parts of the cell are called organelles. Organelles are similar to organs in your body. Even though all cells are the basic units of life, animal cells do differ from plant cells. Plant cells contain some extra organelles that animals do not have. Here are some organelles.

1. Chloroplast: Chloroplasts are organelles that help plants to make their own food; chloroplasts change sunlight into energy. In addition to this, they give plants their green color. These organelles are only found in plants.

2. Cell Wall: The cell wall is a strong barrier that surrounds each plant cell. The cell wall gives plants shape, support, and protection. Only plants have a cell wall.

3. Cell Membrane: The cell membrane is the gatekeeper of the cell. It controls what comes in and out of the cell. Both plant and animal cells have cell membranes.

4. Cytoplasm: Cytoplasm is a jelly-like substance in the cell that supports all the organelles. Most of the reactions that the cell occur in the cytoplasm. Both plant and animal cells have cytoplasm.

5. Golgi Apparatus: The Golgi apparatus is like the post office of the cell. It ships packages and ships important substances within the cell or to other cells. Both plant and animal cells have a Golgi apparatus.

6. Nucleus: The nucleus is the brain of the cell. All of the information to run the cell is located within the nucleus. Both plant and animal cells have a nucleus.

7. Endoplasmic Reticulum: The Endoplasmic Reticulum (ER) is a system of winding membranes that packages and transports materials. It also manufactures parts of the cell membrane. Both plant and animal cells have an endoplasmic reticulum.

8. Mitochondria: The mitochondria break down food into energy. They are the power plant of the cell. Both plant and animal cells have mitochondria.

9. Vacuole: The vacuole is the storage place for the cell. Animal cells can have vacuoles, but usually do not.

Cells also maintain homeostasis. Cell membrane controls what comes in and out of the cell. The cell membrane will regulate the amount of nutrients that are inside the cell. If the cell needs more nutrients, then the cell membrane will let more into the cell. If the cell has too many nutrients, then the cell membrane will let some out of the cell. Cell membrane is very complicated. All of the parts to the cell membrane work together to regulate what enters and leaves the cell. When cells need more energy, they can extract energy from food. The mitochondria are the organelles that do this.


Human Body Systems:
Nervous System - Responsible for transporting information from the brain to the other parts of the body.

Circulatory System - Responsible for protecting the body from disease.
Respiratory System - Responsible for extracting nutrients from food.
Immune System - Responsible for reproduction.
Digestive System - Responsible for bringing oxygen into the body and getting rid of carbon dioxide.

Musculoskeletal System - Responsible for transporting nutrients to the parts of the body.

Reproductive System - Responsible for giving the body support and movement

Answer 2

i hadn't completed it yet

Answer 3

Nice

Answer 4

Correction : \(\sf \color{red}{\text{Reproductive System - Responsible for giving the body support and movement}}\)

Answer 5

Quarks come before an atom.

Answer 6

Humans are constantly being attacked by agents that can cause disease. These agents are all around us. The agents that attack us and cause infection can be placed in one of four categories.
Bacteria
Viruses
Fungi
Parasites

Bacteria are single-celled living organisms. Viruses are nonliving infectious agents. Viruses cannot reproduce or produce energy on their own. They must live inside a host cell. Viruses enter cells inside our bodies and use the cells to reproduce and produce energy. Once a virus is finished with the host cell, the host cell is destroyed. Fungi are organisms that can cause infection. Some types of fungi are multicellular and some are unicellular. Parasites are organisms that feed on other organisms for food. Some common examples of parasites are mosquitoes, ticks, and tapeworms. Each of these parasites steals nutrients and can transmit viruses and bacteria to humans. Ticks are tiny creatures that feed on the blood of animals and humans. Tick bites sometimes transmit bacteria that cause disease.
Thays the end of this topic.

Answer 7

holy cow :O

Answer 8

Just created basic science glossary:

A

Active Transport: When nutrients move across the plasma membrane with the use of energy.

Analysis: Review and compare the data from your experiment

Anaphase: A step in mitosis.

Archaebacteria: Bacteria that live in and among us.

Atmosphere: The gaseous part of the Earth.

Atom: The smallest level of organization.

B

Bacteria: A unicellular organism that causes infection.


C

Cell: A group of molecules that work together.

Cell Membrane: The gatekeeper of the cell. Controls what comes in and out of the cell.

Cell Wall: Gives the cell support, shape, and protection. Found only in plant cells.

Celcius: The metric unit for temperature.

Centi: Prefix that means one hundredth (1/100 or .01).

Chemical energy: Potential energy that is stored in chemical bonds.

Chloroplast: Helps plant cells make their own food.

Circulatory System: Responsible for transporting nutrients to the parts of the body.

Cirrus Clouds: Thin and wispy clouds that form at very high altitudes above the Earth’s surface.

Cold Front: A mass of cold air that replaces a mass of warm air.

Conclusion: In a conclusion, a scientist uses the data to determine whether the hypothesis is true or not.

Condensation: When gaseous water changes state into liquid water.

Conduction: Transfer of thermal energy or heat when two solids touch each other.

Conductor: Conduction is the transfer of heat from one object to another by direct contact. Conductors allow heat to easily flow.

Conservation: In this lesson, conservation means that we use energy wisely. In other words, we don’t waste energy.

Constants: The things that the scientist cannot change in an experiment.

Convection: Transfer of thermal energy or heat when heat moves through the air or a liquid.

Cumulus Clouds: Clouds that are cotton-like in appearance. These clouds are sometimes taller than they are wide.

Cytoplasm: The jelly-like substance in the middle of the cell.


D

Dew: Moisture in the air that settles on the ground when the air is cooled.

Digestive System: Responsible for extracting nutrients from food.


E

Electric energy: Potential energy that is stored between charged particles.

Endoplasmic Reticulum: Helps the cell to digest materials.

Energy Conversion: When energy is transformed from one type to another.

Eubacteria: Bacteria that can live in extreme environments.

Eukaryote:An organism with complex cells, or a single cell with a complex structure which includes protists, fungi, plants, and animals.

Evaporation: When liquid water changes state into water vapor.
Experiment: Experiments are tests that the scientist designs to answer the original question.

Extreme Weather: Weather that is different from the normal weather that usually happens.


F

Ferromagnetic: A substance, such as iron, that below a certain temperature maitains its magnetic properties

Fossil Fuels: A non-renewable energy source made from dead plants and animals that were buried in the ground thousands of years ago

Fungi: Multicellular organisms that can cause infections.


G

Golgi Apparatus: The organelle that contains enzymes that process, sort, and deliver proteins.

back to top
H

Hierarchical: A system used to organize objects based on rank or size.

Homeostasis: The process where living things maintain consistency and balance inside their bodies no matter what is happening outside their body.

Humidity: Water vapor that is in the air.

Hurricanes: A tropical storm that has wind speeds greater than 74 mph.

Hypothesis: A prediction made, based on observations, about the results of a scientific story or experiment.


I

Immune system: Responsible for protecting the body from disease.

Insulator: Conduction is the transfer of heat from one object to another by direct contact. Insulators do not let this heat flow easily from another object into them.


J

Jet Stream: Air currents that are located in the atmosphere.


K

Kilo: Prefix that means 1000.

Kilogram: The base metric unit for mass.

Kinetic Energy: The energy an object has because of its motion.


L

Law of Conservation of Energy: This law says that energy cannot be created or destroyed. It can be transferred and transformed.

Liter: The base metric unit for volume.

M

Mesosphere: The third layer of the atmosphere.

Metaphase: A step in mitosis.

Meter: The base metric unit for length

Metric system: A measurement system that is based on 10

Milli: Prefix that means one thousandth (1/1000 or .001).

Mitochondria: Converts the cells food into energy.

Mitosis: When one cell splits into two cells.

Molecule:A group of atoms that work together.

Multicellular Organism: An organism that is made up of more than one cell.

Musculoskeletal System: Responsible for giving the body support and movement.


N

Nervous System: Responsible for transporting information from the brain to the other parts of the body.

Nonrenewable Energy: Energy from a source that does not replace itself. This energy can be used up.

Nuclear Energy: potential energy that is stored in atoms.

Nucleus: Contains all the information to run the cell.

O

Occluded Front: The combination of a cold front and a warm front.

Organ: A group of tissues that work together.

Organ System: A group of organs that work together.

Organelle: The different parts of a cell.

Organism: A group of organ systems that work together.

Ozone: The layer of the ozone that protects Earth from the sun's harmful rays.


P

Parasite: Organism that feeds on other organisms for food.

Passive Transport: When nutrients move across the plasma membrane without the use of energy.

Potential Energy: The energy contained in an object at rest.

Precipitation: Water that falls to the earth as rain, sleet, hail, or snow.

Prophase: A step in mitosis.

Protists: Microscopic organisms that are neither plants nor animals.

Purpose: The purpose is what you are trying to find out.


Q

Term: Definition.


R

Radiation: Transfer of thermal energy or heat when through electromagnetic waves (light).

Reproductive System: Responsible for reproduction.

Renewable Energy: Energy from a source that can constantly replace the energy that is used. This type of energy cannot be used up..

Respiratory System: Responsible for bringing oxygen into the body getting rid of carbon dioxide.

Runoff: Water from precipitation that flows over the ground.


S

Science: It is a process- a way of thinking and gathering information.

Scientific Laws: Scientific laws tell us that certain relationships exist in nature. They do not attempt to explain why they exist, just that they do.

Scientific Method: A procedure that all scientists should follow to be sure that all scientific experiments are conducted in the same manner.

Scientific Theories: Scientific Theories try to explain an observation. They are supported by experimentation and observations.

Solar Energy: energy from the sun

Stratosphere The second layer of the atmosphere.

Stratus Clouds Long flat clouds that spread across the sky. These clouds usually form at lower altitudes.


T

Telophase: A step in mitosis.

Thermal Energy: heat energy

Thermosphere: The outer most layer of the atmosphere.

Tissue: A group of cells that work together.

Tornadoes: A rotating column of air that occurs during a thunderstorm.

Transpiration: When liquid water that is located inside living organisms changes state into water vapor.

Troposphere: The first layer of the atmosphere where weather occurs.


U

Unicellular Organism: An organism that contains only one cell.


V

Vacuoles: The storage compartment for the cell. Found only in plant cells.

Variables: The things that the scientist can change in an experiment.

Virus: A nonliving infectious agent.


W

Warm Front: A mass of warm air that replaces a mass of cold air.

Water Vapor: Water that is in the gaseous state

Answer 9

Awesome. :O

Answer 10

Archaebacteria : These are the bacteria which are capable of surviving in harsh conditions like extreme temperature, acidity, salinity etc.

Bacteria : Not all bacteria are infectious. Some bacteria (like those found in curd) are helpful. There are several other bacteria which are found in our GI tract and are inseparable part of our digestive system. These are called as Probiotics.

Answer 11

\(\color{red}{Metabolism}\) – living things can break down other chemicals for energy. - ALL chemical reactions taking place in the cell are cell's metabolism, its not only breaking down something for energy, there is also breaking down of waste, there is also synthesis of needed chemicals such as proteins, nucleic acid etc.
\(\color{red}{Growth}\) – living things use energy to grow. - Growth doesn't refer to using energy to grow, it refers to 'increase in size of the cell or number of cells'
\(\color{red}{Adaptation}\) – living things can change in response to their environment.- no, living things dont 'change', they 'adapt' to environmental changes by responding to stimuli/environmental change in a way that'll maintain homeostasis of the living thing
\(\color{red}{Reproduction}\) – living things have the ability to make new organisms. - Reproduction doesnt just mean making of new organisms, normal mitotic cell division is asexual reproduction - and thats just making of new cells, not whole organism. Ex. of formation of new organism due to reproduction would be fertilization = fusion of gametes to form zygote/new organism

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2. \(\color{red}{Cell~ Wall}\): The cell wall is a strong barrier that surrounds each plant cell. The cell wall gives plants shape, support, and protection. Only plants have a cell wall.
- not really, ONLY plants cells have CELLULOSE cell walls, but there are for example fungi having CHITIN cell wall

5. \(\color{red}{Golgi~ Apparatus}\): The Golgi apparatus is like the post office of the cell. It ships packages and ships important substances within the cell or to other cells. Both plant and animal cells have a Golgi apparatus.
- in addition to this, it also functions in post modifications of polypeptides and only then packaging then sending them off to their destination

7. \(\color{red}{Endoplasmic ~Reticulum}\): The Endoplasmic Reticulum (ER) is a system of winding membranes that packages and transports materials. It also manufactures parts of the cell membrane. Both plant and animal cells have an endoplasmic reticulum.
-Specify, Rough ER- protein synthesis, packaging and transport materials.
-Smooth ER - lipid, phospholipid, steroid synthesis
-Sarcoplasmic reticulum is a part of Smooth ER - stores Ca2+ ions

8. \(\color{red}{Mitochondria}\): The mitochondria break down food into energy. They are the power plant of the cell. Both plant and animal cells have mitochondria.
- mitochondria \(\color{red}{does~ not}\) play part in 'breaking down' of food, but rather using of the broken down parts (carbohydrates, fats, proteins etc) to make energy

9. \(\color{red}{Vacuole}\): The vacuole is the storage place for the cell. Animal cells can have vacuoles, but usually do not.
- Animal cells have small vacuoles usually if not at all (but that mostly depends on the role of the cell) while plant cells have big vacuoles

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\(\color{red}{Nervous~ System}\) - Responsible for transporting information from the brain to the other parts of the body.
- Its important to know the difference between Transporting and Transmitting, Nervous system is responsible for \(\color{red}{Transmission~ of~ Signals}\) (information is sent in form of signals) throughout the body.

\(\color{red}{Respiratory~ System}\) - Responsible for extracting nutrients from food.
- \(\color{red}{no}\), respiratory system is responsible for uptake of oxygen from the air and removal of CO2 into the air, in other words, supplying the body with oxygen

\(\color{red}{Immune ~System}\) - Responsible for reproduction.
- \(\color{red}{no}\), immune system is responsible for protection of the body against the any kind of threat to our body cells

\(\color{red}{Digestive~ System}\) - Responsible for bringing oxygen into the body and getting rid of carbon dioxide.
- \(\color{red}{no}\), its responsible for breaking down of food into its useful form that can be absorbed and used by our body cells

\(\color{red}{Musculoskeletal ~System}\) - Responsible for transporting nutrients to the parts of the body.
- \(\color{red}{no}\), its responsible for structural support of the whole body, protection of organs, movement etc.
- \(\color{red}{Circulatory ~system}\) is the one transporting nutrients throughout the body.

\(\color{red}{Reproductive~ System}\) - Responsible for giving the body support and movement
- \(\color{red}{no}\), body support and movement is responsibility of \(\color{red}{Musculoskeletal~ System}\)
- Reproduction system is responsible for cell division, mitotic or meiotic, sexual or asexual.

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Humans are constantly being attacked by agents that can cause disease. These agents are all around us. The agents that attack us and cause infection can be placed in one of four categories.
Bacteria
Viruses
Fungi
Parasites
\(\sf\color{red}{NOT~ALL~OF~MEMBERS~OF~THESE ~GROUPS~CAUSE~DISEASE}\)
\(\sf\color{red}{In~fact~only~minority~of~these ~group~members~do ~cause~diseases}\)
Bacteria are single-celled living organisms. Viruses are nonliving infectious agents. Viruses cannot reproduce or produce energy on their own. They must live inside a host cell. Viruses enter cells inside our bodies and use the cells to reproduce and produce energy. Once a virus is finished with the host cell, the host cell is destroyed. Fungi are organisms that can cause infection.
- \(\sf\color{red}{again,~only~minority}\)
Some types of fungi are multicellular and some are unicellular.
Parasites are organisms that feed on other organisms for food. \(\sf\color{red}{no}\)
-\(\sf\color{red}{Parasite ~ is~ an ~organism ~which~ lives~ in~ or~ on~ another~ organism ~(its~ host)~ and~ benefits~ by}\)
\(\sf\color{red}{deriving~ nutrients~ at~ the~ other's~ expense}\)
Some common examples of parasites are \(\sf\color{red}{mosquitoes, ticks, and~ tapeworms}\).
- mosquitoes are \(\sf\color{red}{NOT}\) parasites

Answer 12

A

Active Transport: When nutrients move across the plasma membrane with the use of energy. \(\sf\color{red}{from~low ~to ~high ~concentration}\)

Anaphase: A step in mitosis. \(\sf\color{red}{Phase~ in~ mitosis~ as~ well~ as~ meiosis.~ Chromosomes~ that~ are~ lined~ up~ at~ the~ equator ~of~ the~ cell,}\)
\(\sf\color{red}{separate~ and~ sister~ chromatids~ are ~pulled ~to~ the~ opposite ~poles~ by~ the~ spindle ~fiber}\)

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B

Bacteria: A unicellular organism that causes infection.
\(\sf\color{red}{ONLY~minority~of~bacterial~species~cause ~infection}\)

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C

Cell Wall: Gives the cell support, shape, and protection. Found only in plant cells. \(\sf\color{red}{CELLULOSE~cell~wall~is ~ONLY~found~in~plants}\), there are other organisms having cell walls with different composition though

Circulatory System: Responsible for transporting nutrients to the parts of the body. \(\sf\color{red}{✓}\)

Cytoplasm: The jelly-like substance in the middle of the cell. \(\sf\color{red}{It~is~not~in~the~middle~of~the~cell}\)
\(\sf\color{red}{It~is~everywhere~in~the~cell}\)

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D

Digestive System: Responsible for extracting nutrients from food. \(\sf\color{red}{✓}\)

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E

Endoplasmic Reticulum: Helps the cell to digest materials. \(\sf\color{red}{produces~digestive~enzymes, ~doesn't~itself~help~the ~cell ~to ~digest~anything}\)

Eubacteria: Bacteria that can live in extreme environments. \(\sf\color{red}{Eubacteria~spherical~ or ~rod-shaped~ bacteria~ of~ the ~order~ Eubacteriales,~ characterized}\)
\(\sf\color{red}{by ~simple, ~undifferentiated ~cells~ with ~rigid ~walls; ~true~ bacteria.}\)
-\(\sf\color{red}{Extremophiles}\) are organisms that live only in extreme environments

Eukaryote: An organism with complex cells, or a single cell with a complex structure which includes protists, fungi, plants, and animals. \(\sf\color{red}{Eukaryote~is~ any~ organism}\)
\(\sf\color{red}{whose~ cells~ contain~ a ~nucleus~ and ~other~ organelles~ enclosed ~within~ membranes.}\)

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F

Fungi: Multicellular organisms that can cause infections. \(\sf\color{red}{again, ~not~all~cause ~infection,~only~minority~do.}\)
\(\sf\color{red}{Also~there~is~unicellular~fungi~-~yeast, ~so ~not~all ~are ~multicellular}\)

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G

Golgi Apparatus: The organelle that contains enzymes that process, sort, and deliver proteins. \(\sf\color{red}{its~not ~enzymes~that~do~processing,~sorting,~and~delivery}\)
\(\sf\color{red}{enzymes~are ~biological~ catalysts ~that~speed~up~chemical~reactions}\)

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I

Immune system: Responsible for protecting the body from disease. \(\sf\color{red}{✓}\)

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M

Metaphase: A step in mitosis. \(\sf\color{red}{Phase~ that~ is ~in~ both~ mitosis~ and ~meiosis.~ Chromosomes~ align~ in~ the~ equator~ of ~the ~cell}\)
\(\sf\color{red}{before~ being~ separated~ into~ each~ of~ the~ two~ daughter~ cells.}\)

Mitochondria: Converts the cells food into energy. \(\sf\color{red}{Nutrients~such~as~carbohydrates~rather~than ~food~itself}\)

Mitosis: When one cell splits into two cells. \(\sf\color{red}{Cell~ division,~ in~ which~ a~ cell~ divides~ into~ 2 ~genetically~ identical~ daughter ~cells}\)

Musculoskeletal System: Responsible for giving the body support and movement. \(\sf\color{red}{✓}\)

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N

Nervous System: Responsible for transporting information from the brain to the other parts of the body. \(\sf\color{red}{already~mentioned~the~error~of~this~definition~above}\)

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O

Organelle: The different parts of a cell. \(\sf\color{red}{Organelle~ is~ a ~specialized ~subunit~ within~ a ~cell~ that~ has~ a ~specific~ function}\)

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P

Parasite: Organism that feeds on other organisms for food. \(\sf\color{red}{already~mentioned~the~error~in~this~definition~above}\)

Passive Transport: When nutrients move across the plasma membrane without the use of energy. \(\sf\color{red}{From~high ~to ~low ~concentration, ~down~the~concentration~gradient}\)

Prophase: A step in mitosis. \(\sf\color{red}{Phase~ which ~is ~both~ in~ mitosis~ and~ meiosis.~ At~ this~ phase~ chromatin~ condenses ~into ~double}\)
\(\sf\color{red}{rod-shaped~ structures~ called ~chromosomes~ in~ which~ the~ chromatin~ becomes~ visible.}\)

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R

Reproductive System: Responsible for reproduction. \(\sf\color{red}{✓}\)

Respiratory System: Responsible for bringing oxygen into the body getting rid of carbon dioxide. \(\sf\color{red}{✓}\)

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T

Telophase: A step in mitosis. \(\sf\color{red}{Phase~ that~ is ~both ~in~ mitosis~ and ~meiosis.}\)
\(\sf\color{red}{At~ this~ stage ~sister~ chromatids ~reach ~opposite ~poles,~nuclear~ membrane ~is ~re-formed}\)

Transpiration: When liquid water that is located inside living organisms changes state into water vapor. \(\sf\color{red}{Transpiration~ is~ basically ~evaporation~ of~ water~ from ~plant~ leaves.}\)

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V

Vacuoles: The storage compartment for the cell. Found only in plant cells. \(\sf\color{red}{Not~storage~of~compartments~But~storage ~of~nutrients~and~waste}\)

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I ignored definitions not related to biology much

Answer 13

T_T please make sure to check information you have next time to be sure that they are correct (coz it looks like its for tutorial purpose) @AlexandervonHumboldt2 but in general, good job!

Answer 14

@Somy Reproduction is always formation of new individuals and not only cells.

Answer 15

@Abhisar sure enough but cell division is part of reproduction which is formation of cell not organism, isn't it? :3 hmmmm

Answer 16

Growth – living things use energy to grow. - Growth doesn't refer to using energy to grow, it refers to 'increase in size of the cell or number of cells'

Increase in size of cell or number of cell is energy consuming process so growth is always followed by energy consumption.

Answer 17

@Abhisar That surely is right, but term growth itself is to do with size and number, not energy

Answer 18

or so i was taught

Answer 19

\(\color{blue}{\text{Originally Posted by}}\) @Somy
@Abhisar sure enough but cell division is part of reproduction which is formation of cell not organism, isn't it? :3 hmmmm
\(\color{blue}{\text{End of Quote}}\)

That will be not correct if you define reproduction as formation of just new cells. Consider the growth and repair mechanism, that also involves formation of new cells but it isn't reproduction. Reproduction shall always be defined as production of new individual (offspring).

Answer 20

@Abhisar hmmm I guess i'd agree with you here. My apologize about that error. Can you look through the rest too? Just to make sure if I corrected those right x.x & hopefully didnt make error on top

Answer 21

Just to mention, you said

" living things have the ability to make new organisms. - Reproduction doesnt just mean making of new organisms, normal mitotic cell division is asexual reproduction - and thats just making of new cells, not whole organism. "

If you are talking about asexual reproduction such as in bacteria like binary fission, multiple fission etc then yes only new cells are formed but those are also new individuals for that unicellular organism.

Answer 22

@Abhisar i see, thanx! :3

Answer 23

Welcome ^_^
The same is with growth, it's correct that growth is increase in size or number but we can not say that the statement "living things use energy to grow" is wrong.

Answer 24

Oh yeah of course, thats why i did not say it is wrong, i said, that growth does not refer to energy usage but it refers to size and number @Abhisar

Answer 25

@AlexandervonHumboldt2
I hope these corrections do not offend you but encourage you and get you to learn more instead because the effort you put to write all these (which not everyone would do) is already Admirable! So please keep it up! (๑>ᴗ<๑)

Answer 26

@Abhisar: To increase in size and/or number (for growth), wouldn't living things need to use energy? There has been no recorded case where energy is not used for growth.

Answer 27

@shiraz14 cells would definitely need it. Its just term-wise that we are saying this
Term Growth in biology refers to growth in cell size or number of cells
while Term Nutrition - refers to use of food for energy and growth
in other words the term that is about usage of energy or making of energy from food is Nutrition
while Growth is growth in cell size/ cell number

Answer 28

@Somy: Yes, that's true if you are referring to terms used in the biological context. But with regards to @Abhisar's post previously, the statement "living things use energy to grow" is definitely correct.

Answer 29

yep that indeed is correct :)

Answer 30

@shiraz14 are you asking me or telling me because you seems to support the same point I raised.

Answer 31

cool1

Answer 32

/// casually bookmarks this B) ///