Ecology Review

Front

Why are bacteria important in an ecosystem?

Back

They help recycle dead and decaying matter.

Front

What is primary succession?

Back

The process of ecological change that occurs in an area where no soil exists, starting with pioneer species like lichens and mosses.

Front

What happens when the thrush is removed from an ecosystem?

Back

Dragonflies would increase in population.

Front

What is commensalism?

Back

A relationship between two organisms where one benefits and the other is unaffected.

Front

What is carrying capacity?

Back

The maximum number of individuals of a species that an environment can support.

Front

What is the role of decomposers in an ecosystem?

Back

Decomposers break down dead organic matter, recycling nutrients back into the soil.

Front

What is the difference between mutualism and parasitism?

Back

Mutualism benefits both organisms, while parasitism benefits one at the expense of the other.

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 biodiversity?

Back

The variety of life in a particular habitat or ecosystem.

Front

What is an ecosystem?

Back

A community of living organisms and their physical environment interacting as a system.