Environmental Science -Ecology Unit Test

Front

What is Environmental Change?

Back

A change or disturbance of the environment most often caused by human influences and natural ecological processes.

Front

What is a population in ecological terms?

Back

A group of one species in one area.

Front

True or False: Succession increases biodiversity.

Back

True.

Front

What are limiting factors in an ecosystem?

Back

Resources such as food, water, sunlight, shelter, and space that restrict the growth of a population.

Front

What does it mean when a population has reached its carrying capacity?

Back

The population has reached the maximum number of individuals that the environment can support.

Front

Define 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 interactions with their environment.

Front

What is the role of a predator in an ecosystem?

Back

A predator helps control the population of prey species and recycles nutrients by consuming dead organisms.

Front

What is competition in ecology?

Back

The struggle between organisms for the same resources in an ecosystem.

Front

What is natural selection?

Back

The process by which organisms better adapted to their environment tend to survive and produce more offspring.