STAAR Biology Reporting Category 4

Front

What is parasitism?

Back

A living relationship between two species in which one organism is harmed and the other benefits.

Front

What percentage of energy typically transfers from one trophic level to the next?

Back

10%.

Front

What happens to carbon dioxide levels if phytoplankton goes extinct?

Back

There will be more carbon dioxide.

Front

What is primary succession?

Back

Succession that occurs in an area with NO SOIL.

Front

What is an organ?

Back

A group of tissues that perform a similar function, such as the heart, lungs, or stomach.

Front

What is mutualism?

Back

A living relationship between two species in which both organisms benefit.

Front

What is commensalism?

Back

A living relationship between two species in which one organism benefits and the other is neither helped nor harmed.

Front

What is ecological succession?

Back

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

Front

What is a trophic level?

Back

Each step in a food chain or food web, representing the flow of energy and nutrients.

Front

What are pioneer species?

Back

The first species to colonize previously disrupted or damaged ecosystems.