Ecology Review Unit Exam

Front

What is the goal of the pioneer species in Primary Succession?

Back

To rebuild soil.

Front

An organism that lives by breaking apart dead organic matter into simpler parts is called?

Back

Decomposer.

Front

When there is a lack of resources such as food, water, sunlight, shelter, and space, this is often called?

Back

Limiting factors.

Front

A food chain shows the transfer of what from one organism to another?

Back

Energy.

Front

Organisms that make their own food using sunlight or chemicals are called?

Back

Autotroph.

Front

What is the term for organisms that consume other organisms for energy?

Back

Heterotroph.

Front

What is the process called where ecosystems change and develop over time?

Back

Ecological succession.

Front

What is the role of a scavenger in an ecosystem?

Back

To consume dead animals and help recycle nutrients.

Front

What is a habitat?

Back

The natural environment where an organism lives.

Front

What is biodiversity?

Back

The variety of life in a particular habitat or ecosystem.