Ecology

Front

What are two factors that increase population size?

Back

Birth Rate, Immigration

Front

What happens when the birth rate is high and the death rate is low?

Back

Population increases.

Front

What will happen if all of the frogs in a population die?

Back

The frogs' predators will decrease and the frogs' prey will increase.

Front

Why would the biodiversity of the Baltic Sea decrease if it becomes less salty?

Back

Plants and animals adapted for living in saltier conditions will not be able to survive and reproduce.

Front

What happens when the death rate is equal to the birth rate?

Back

Population stays the same.

Front

Define 'Biodiversity'.

Back

The variety of life in a particular habitat or ecosystem.

Front

What is 'Carrying Capacity'?

Back

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

Front

Explain 'Immigration' in ecological terms.

Back

The movement of individuals into a population from another area.

Front

What is 'Emigration'?

Back

The movement of individuals out of a population to another area.

Front

Define 'Population Density'.

Back

The number of individuals per unit area or volume.