Environmental Science -Ecology Unit Test Review

Front

What is ecological succession?

Back

A slow change in an environment.

Front

Which is faster: Primary or Secondary Succession?

Back

Secondary Succession.

Front

What is another name for natural selection?

Back

Survival of the fittest.

Front

What are the primary causes of extinction?

Back

Habitat loss and degradation.

Front

What are invasive species?

Back

Non-native species whose introduction causes harm in their new area.

Front

Define primary succession.

Back

The process of ecological change that occurs in an area where no soil exists.

Front

Define secondary succession.

Back

The process of ecological change that occurs in an area where soil is present but has been disturbed.

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 a pioneer species?

Back

The first species to colonize previously disrupted or damaged ecosystems.

Front

What is habitat loss?

Back

The destruction or alteration of the natural environment where a species lives.