Environmental Science Semester 1 Exam Review

Front

What is a consumer in an ecosystem?

Back

An organism that obtains energy by consuming other organisms or organic matter.

Front

What type of ecological succession occurs after a landslide leaves bare rock?

Back

Primary succession.

Front

Which component of biodiversity is easiest to measure?

Back

Species diversity.

Front

What are predation, parasitism, herbivory, commensalism, mutualism, and symbiosis?

Back

All are types of ecological interactions.

Front

If a population of antelope grows from 50 to 60 in the first year and experiences exponential growth, what will the population be at the end of five years?

Back

Approximately 120.

Front

Define primary succession.

Back

The process of ecological change that occurs in an area where no soil exists, starting from bare rock.

Front

Define secondary succession.

Back

The process of ecological change that occurs in an area where a disturbance has destroyed an existing community but left the soil intact.

Front

What is biodiversity?

Back

The variety of life in a particular habitat or ecosystem.

Front

What is the difference between species diversity and genetic diversity?

Back

Species diversity refers to the number of different species in an area, while genetic diversity refers to the variation of genes within a species.

Front

What is mutualism?

Back

A type of symbiotic relationship where both species benefit.