Ecology Test Prep (2024)

Front

What level of the food chain does a shark occupy?

Back

4

Front

In mark and recapture studies, which variable never changes?

Back

M

Front

What is the term for when organisms must compete for a resource, resulting in negative effects for both?

Back

Competition

Front

What is an organism that obtains energy by eating both autotrophs and heterotrophs?

Back

Omnivore

Front

Define autotroph.

Back

An organism that produces its own food from inorganic substances.

Front

Define heterotroph.

Back

An organism that obtains its food by consuming other organisms.

Front

What is mutualism?

Back

A symbiotic relationship where both organisms benefit.

Front

What is predation?

Back

A relationship where one organism (the predator) kills and eats another organism (the prey).

Front

What is parasitism?

Back

A relationship where one organism (the parasite) benefits at the expense of another organism (the host).

Front

What is the primary producer in an ecosystem?

Back

Autotrophs, such as plants, that convert solar energy into chemical energy.