Answer:
I DON'T SEE OPTIONS, BUT HERE IS MY GUESS
It is for support.
Explanation:
Plant cells lack necessary support without their cell walls. An animal cells usually have skeleton of some sort to support it, so they don't need cell walls. Plants, on the other hand, don't have skeletons.
I think the answer would be c. because for birds with longer beaks, it was easier to eat seeds off a cactus (for example), and for birds with shorter seeds, it was easier to eat seeds off the ground.
Neurons are the longest cells. They range in size, some can be 3 feet long. Hope this helps
I don’t know the answer I just need some points sorry
Your heart pumps blood so it can circulate to your tissues as well as get oxygen from your lungs, if your heart can’t pump blood well i.e. heart attack you can feel short of breath