STAAR Review Biology Category 5

Front

What is an ecosystem?

Back

A collection of organisms that make up a community as well as all of the nonliving aspects of the environment.

Front

What is a limiting factor?

Back

A condition that restricts the growth, abundance, or distribution of an organism or a population of organisms, such as water availability.

Front

What is parasitism?

Back

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

Front

What is the disadvantage of low species diversity in a community?

Back

Less resilient to changes in the environment.

Front

What is a community in ecological terms?

Back

A collection of organisms that belong to different populations but all live in the same area and interact with one another.

Front

What is mutualism?

Back

A symbiotic relationship between two species in which both benefit.

Front

What is commensalism?

Back

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

Front

What is a habitat?

Back

The natural home or environment of an organism, providing the necessary resources for survival.

Front

What is biodiversity?

Back

The variety of life in the world or in a particular habitat or ecosystem.

Front

What is carrying capacity?

Back

The maximum number of individuals of a particular species that an environment can support sustainably.