Energy from the Sun is first transferred to

in an ecosystem food chain, who are then eaten

by

because they cannot make their own food

and depend on other organisms for energy

What is the difference between a biological population and a biological community

The contracting and relaxing of the heart is known as the?

Match each environmental change with its description. (letters and numbers) (A) biomagnification (B) acid rain (C) eutrophication (1) chemicals react with water and oxygen that enter water system (2) nutrients in excessive amounts enter water

What is an example of a destructive water wave? tsunami earth quake orain

Is ammonia a reactant or product?

Describe 4 ways that we know the global climate is changing

What does each individual node in a cladogram represent

PGA is the first stable product of

What does PMAT stand for

Endosymbiosis gave rise to