Ecology Flashcard Review

Front

What is the largest number of individuals that an environment can support long term?

Back

Carrying capacity.

Front

What type of organism makes its own food?

Back

Producer.

Front

What happens to the population when the death rate rises and the birth rate lowers?

Back

Population decreases.

Front

Why does the predator population lag behind the prey population?

Back

Increase in predators leads to decrease in prey.

Front

What is the position that an organism occupies based on what it eats?

Back

Trophic level.

Front

What is the term for organisms that cannot produce their own food?

Back

Consumers.

Front

What is the process by which individuals move out of a population?

Back

Emigration.

Front

What is the process by which individuals move into a population?

Back

Immigration.

Front

What is the term for the variety of life in an area?

Back

Biodiversity.

Front

What is the role of decomposers in an ecosystem?

Back

They break down dead organic matter and recycle nutrients.