Question

How do sex cells differ from other cells in an animal's body?



A.
They are always moving.


B.
They do not need energy to perform their functions.


C.
They are usually much larger.


D.
They have half the number of chromosomes.

Answer 1

D?

Answer 2

Sex cells (eggs and sperm) have half the number of chromosomes as the other cells in your body. So yes it is D

Answer 3

can you help me with 4 more please?

Answer 4

sure

Answer 5

In a plant, roots absorb water and nutrients. Those materials are then transported to other parts of the plant.



Which statements describe the system in an animal that functions in a similar way?



Choose all answers that are correct.



A.


Responsibilities of transporting materials throughout the animal's body are done by the endocrine system.


B.


Nutrients are moved in a plant by water, much like the blood that moves nutrients throughout an animal's body.


C.


An animal's hormones move nutrients throughout the animal's body like water in a plant's system moves nutrients.


D.


Materials are transported throughout the animal's body by the circulatory system.

Answer 6

B,D,A?

Answer 7

I'm not sure about A but I know B and D are correct

Answer 8

ok thanks!!!!!

Answer 9

your welcome

Answer 10

How does the immune system work together with the circulatory system to function properly?


A.
The infection site receives oxygen-depleted blood from the circulatory system's arteries, so the immune system works harder.


B.
Red blood cells move through the body (to parts where they are needed) in the blood vessels of the circulatory system to fight infection.


C.
The white blood cells of the immune system fight and destroy pathogens.


D.
Pathogens released by immune cells cause increased blood flow to the infection site, which brings other pathogens to the area more quickly.

Answer 11

C?

Answer 12

I think it's B

Answer 13

well you look older then I do so I am going to take your word for it :)

Answer 14

never mind you were right its white blood cells

Answer 15

oh ok! :)

Answer 16

and I'm only 14 lol

Answer 17

me to lol

Answer 18

so do you have anymore questions

Answer 19

Which best explains what would first happen to a mammal's body if the respiratory system broke down?



A.


The organism would be unable to move because it would have no source of carbon dioxide.


B.
Cells would not be able to get rid of their waste, which would cause infection.


C.
Carbon dioxide would build up and cause the muscles to not be able to move.


D.


The individual would die because of a lack of oxygen.

Answer 20

D?

Answer 21

yes, you are correct!

Answer 22

aaaahh I am so smart! :)

Answer 23

for real though :)

Answer 24

_darkmeadow can you help me out after?

Answer 25

Which best describes the life cycle of an insect that undergoes complete metamorphosis?


A.


egg → pupa → larva → adult; adult is fully formed, but is not capable of reproduction


B.


egg → larva → pupa → adult; adult is fully formed and capable of reproduction


C.


larva → egg → pupa → adult; adult still produces an exoskeleton regularly


D.


egg → larva → pupa → adult; adult still produces a cocoon

Answer 26

C or A?

Answer 27

yea of course @Drakogon1
@kayly the answer is actually B

Answer 28

oh ok thank you so much!!!!

Answer 29

your welcome