Chapter 4 ES Review

Emigration is

• the movement out of an area

• the movement into an area

• movement in and out of an area

• migration

What are survivorship curves?

• curves that describe the number of survivors over time

• curves that tell us what the limiting factors are

• curve that tells us about the carrying capacity

• a curve

Why don't populations grow indefinitely?

• limiting factors

• only biotic factors

• only abiotic factors

• none of the above

What is an example of a density-independent (Abiotic) limiting factor?

• food

• parasites

• disease

• pollution

parasites, disease, predators, are examples of what type of limiting factors?

• density dependent

• density independent

• survivorship

• type 1 curve

(Im)migration is ...

• the movement into an area

• The movement out of an area

• The migration process

• exponential graph

One of the factors that can change the size of population is....

• Name of schools

• Number of dezs

• Jobs

• Numbers of births

the number of people in a defined area such as a square kilometre

• population density

• birth rate

• death rate

• population

Why would an area be sparsely populated?

• lack of natural resources

• land is covered with ice

• land cannot be developed

• all of the above

An example of a density dependent limiting factor is...

• an avalanche.

• the amount of available food.

• a sudden flood

• a decrease in water due to drought.