Ecosystems Review

Front

What happens to the rabbit population if a disease strikes the snake population?

Back

The rabbit population will increase because snakes are predators of rabbits.

Front

What catastrophic event is most likely to return an ecosystem to primary succession?

Back

A volcanic eruption is most likely to return an ecosystem to primary succession.

Front

What are groups of different populations living together in the same place at the same time called?

Back

A community.

Front

What happens to energy as you move up an energy pyramid?

Back

Energy decreases as you move up the pyramid.

Front

In the predator-prey relationship, which is the prey and which is the predator: gazelles and lions?

Back

Gazelles are the prey, and lions are the predator.

Front

What is an ecosystem?

Back

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

Front

Define primary succession.

Back

Primary succession is the process of ecological change that occurs in an area where no soil exists, such as after a volcanic eruption.

Front

What is a food chain?

Back

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

Front

What role do decomposers play in an ecosystem?

Back

Decomposers break down dead organic material, returning nutrients to the soil.

Front

What is biodiversity?

Back

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