Population and Biodiversity Test

Front

What is carrying capacity?

Back

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

Front

Define population in ecological terms.

Back

The number of individuals of the same species living in the same place at the same time.

Front

What does high biodiversity indicate in an ecosystem?

Back

It indicates a wide variety of different organisms present in that ecosystem.

Front

What are the three phases of logistic growth?

Back

Phase 1: Rapid growth, Phase 2: Slow growth, Phase 3: Growth stops.

Front

What causes growth to stop in the third phase of logistic growth?

Back

Carrying capacity.

Front

What is a keystone species?

Back

A species that has a disproportionately large effect on its environment relative to its abundance.

Front

Why are sharks considered keystone species in marine ecosystems?

Back

They control prey population sizes and maintain ecosystem balance.

Front

What is the difference between immigration and emigration?

Back

Immigration is the movement of individuals into a population, while emigration is the movement of individuals out of a population.

Front

What is an ecosystem?

Back

A community of living organisms interacting with their physical environment.

Front

Define biodiversity.

Back

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