In many primate species, __ have/has a central role in reinforcing social relationships.

a. food-sharing

b. grooming

c. coalition formation

d. play

What are materials transported within a single called organism

What process uses energy to combine inorganic molecules to synthesize organic molecules

Approximately how many species have been identified on earth?

What is the purpose of homeostasis?

Can an organ belong to more than one system? Why?

A structure on a cell that binds with something, like a hormone is called a (n) A. catalyst B. protein C. receptor D. axon

Which statement is true? A. Lipids are a type of fat. B. Fats are a type of lipid. C. Fats and lipids are separate and unrelated substances. D. All lipids are fats, and all fats are lipids.

What is the difference between a car and a human being?

In a hypotonic solution, an animal cell will?

Which fossil organism in whale evolution do you think was the first to live mostly in water?