What happens to cells in multicellular organisms as they continue to divide and increase in size?
a. they become more alike.
b. they break down.
c. they differentiate.
d. they develop extra parts.

Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism

The cluster of developing cells from conception until birth is called an

What is a dendrite and what does it do?