Unit 3: Homeostasis Test Review 2024

Front

What is the role of decomposers in an ecosystem?

Back

To break down dead organic matter.

Front

What is carrying capacity in an ecosystem?

Back

The maximum population size of a species that an environment can sustain indefinitely.

Front

What begins ocean acidification?

Back

Carbon dioxide released from combustion (burning of fossil fuels).

Front

What is a primary consumer in a food chain?

Back

An organism that eats producers; for example, a grasshopper.

Front

How much energy is typically passed on to each trophic level in an ecosystem?

Back

About 10%.

Front

Define homeostasis.

Back

The ability of an organism to maintain a stable internal environment despite external changes.

Front

What is a food chain?

Back

A linear sequence of organisms through which nutrients and energy pass as one organism eats another.

Front

What is the difference between a producer and a consumer?

Back

Producers create their own food through photosynthesis, while consumers eat other organisms for energy.

Front

What is an ecosystem?

Back

A community of living organisms interacting with their physical environment.

Front

What is biodiversity?

Back

The variety of life in a particular habitat or ecosystem.