Unit 2 Species and Biodiversity Test Review

Front

Why do some plants on the shady rain forest floor have large leaves?

Back

To take in as much sunlight as possible.

Front

What characteristics would a mature (climax) community exhibit?

Back

Well-adapted organisms in a stable ecosystem.

Front

What is an indicator species?

Back

An organism whose presence, absence, or abundance reflects a specific environmental condition.

Front

What is a keystone species?

Back

A species that has a disproportionately large effect on its environment relative to its abundance.

Front

What is an exotic species?

Back

A species that is not native to a specific location and has been introduced from another region.

Front

What is a native species?

Back

A species that naturally occurs in a specific region or ecosystem.

Front

What is an endangered species?

Back

A species that is at risk of extinction due to a decrease in population or habitat.

Front

What type of adaptation is snake venom development?

Back

Physiological adaptation.

Front

What is biodiversity?

Back

The variety of life in the world or in a particular habitat or ecosystem.

Front

What is ecological succession?

Back

The process of change in the species structure of an ecological community over time.