Question

HELP ASAP!!!! FAN + MEDAL!!!!

Write a paragraph to explain how genetic variation and environmental pressures can lead to change in an organism.
Your paragraph should have at least five sentences.

Answer 1

@Nnesha @kidrah69 @e.mccormick @amistre64

Answer 2

what do you have so far?

Answer 3

nothing... :(

Answer 4

are you familiar with Charles Darwin?

Answer 5

Yes, he is the one who studied unusual animals in the Galapagos Islands.

Answer 6

http://www.infoplease.com/cig/biology/natural-selection.html see what u can get out of this

Answer 7

okay, you can first start off by saying, "Environmental conditions determine the reproductive success of certain individuals because they possess a trait that allows them an advantage in that environment."

Answer 8

Ok i will look at it and thanks

Answer 9

I just finished learning about that a month ago!

Answer 10

I guess i can say "Some examples of environmental pressures are lack of space,water, and food."

Answer 11

idk

Answer 12

Genetic variation is advantageous to a population because it enables some individuals to adapt to the environment while maintaining the survival of the population.

Answer 13

ok :)

Answer 14

do i add the thing i put or no?

Answer 15

yes, add what you said because that goes under environmental pressures and include an example, did you study the bird
finches?

Answer 16

ok i will and no what is that?

Answer 17

its a species of birds in the islands that darwin studied and they are the same species of finches, they just adapted and evolved over time because they didn't have enough food so they went to another island and over time there is now over 100 different finches

Answer 18

Wow. lol their so smart XD

Answer 19

also you can say that environmental pressures as an example, say that some birds can't pick up smaller seeds so they move to places that have bigger seeds and they later adapt (offspring) so then they can then pick up the smaller seeds because they have a smaller beak.

Answer 20

OK thanks thats... 4 sentences so far.

Answer 21

did you include a intro sentence?

Answer 22

no

Answer 23

do reword the question?

Answer 24

your first sentence would be, "Genetic variation and different environmental pressures can lead to change in an organism."

Answer 25

yeah thats what i though :)

Answer 26

you have 5 sentences then, do you need help with anything else?

Answer 27

Yes, hold on...

Answer 28

okay

Answer 29

Write a second paragraph that describes an example of a plant or animal that has changed due to these factors.

Answer 30

Maybe... idk an extinct animal

Answer 31

you can do the example of the bird finches I told you about?

Answer 32

Yes! thanks so much!

Answer 33

or..

Answer 34

yes...

Answer 35

did you learn about the rock pocket mice?

Answer 36

nope

Answer 37

heres a quick summary, Populations of rock pocket mice are found all over the Sonoran Desert in the southwestern United States. There are two common varieties—a light-colored variety and a dark-colored variety. Similarly, there are two major colors of substrate, or surface materials, that make up the desert floor. Most of the landscape consists of light-colored sand and rock. Here and there, however, separated by several kilometers of light-colored substrate, are patches of dark volcanic rocks that formed from cooling lava flows.

Answer 38

this could be your paragraph then...

Answer 39

The dark-colored mouse has a selective advantage if it is living in a dark-colored habitat such as the Pinacate lava flow. Since rock pocket mice reproduce quickly and often, the frequency of this favored trait would quickly accumulate in the population. Any light-colored mice in the dark-colored habitat would have a selective disadvantage, as it would most likely be preyed upon by visual predators. This would decrease the frequency of its genes. Likewise, the light-colored mouse has a selective advantage if it is living in a light-colored habitat, and the dark-colored mice in that same light-colored habitat would have a selective disadvantage, therefore decreasing the frequency of their genes

Answer 40

Yeah Thanks :D this is what i have for my first paragraph does it make sense... Genetic variation and different environmental pressures can lead to change in an organism. Environmental conditions determine the reproductive success of certain individuals because they possess a trait that allows them an advantage in that environment. Some examples of environmental pressures are lack of space, water, and food. Genetic variation is advantageous to a population because it enables some individuals to adapt to the environment while maintaining the survival of the population.

Answer 41

Great :D

Answer 42

Thanks :D

Answer 43

Can you tell me the websites you got the info from cause i need them

Answer 44

https://www.boundless.com/biology/textbooks/boundless-biology-textbook/the-evolution-of-populations-19/population-genetics-131/genetic-variation-530-12943/

Answer 45

http://www.infoplease.com/cig/biology/natural-selection.html

Answer 46

what about the mice one? and thank you!

Answer 47

https://www.hhmi.org/biointeractive/color-variation-over-time-rock-pocket-mouse-populations

Answer 48

Omg i cant explain who grateful i am! :D thank you soo much!

Answer 49

how*

Answer 50

no problem! if you need anymore help just message me

Answer 51

ok thanks! :D

Answer 52

alright talk to you later xD

Answer 53

Baii im gonna close this question now... XD

Answer 54

okay