Final test review

Front

What happens to a prey population when its predator is removed from the ecosystem?

Back

The prey population typically increases, but eventually food shortages and disease can reduce the prey population.

Front

Define habitat.

Back

A habitat is an organism's home, where it lives and interacts with other organisms and the environment.

Front

What are producers in a food chain?

Back

Producers are organisms that produce their own food through photosynthesis or chemosynthesis.

Front

What is an omnivore?

Back

An omnivore is an organism that eats both plants and animals for energy.

Front

What does an energy pyramid illustrate?

Back

An energy pyramid shows the flow of energy from one trophic level to the next in an ecosystem.

Front

What is the role of decomposers in an ecosystem?

Back

Decomposers break down dead organisms and recycle nutrients back into the ecosystem.

Front

What is a trophic level?

Back

A trophic level is a position in a food chain or food web, representing the flow of energy and nutrients.

Front

Define ecosystem.

Back

An ecosystem is a community of living organisms interacting with their physical environment.

Front

What is the difference between a herbivore and a carnivore?

Back

Herbivores eat only plants, while carnivores eat only other animals.

Front

What is biodiversity?

Back

Biodiversity refers to the variety of life in a particular habitat or ecosystem.