Population Ecology - APES

Front

What factor describes when populations decrease because animals are moving out of a population?

Back

Emigration

Front

What does the graph represent? Options: Emigration, Exponential growth, Immigration, Logistic Growth

Back

Exponential growth

Front

Which limiting factor is independent of the number of individuals in a population? Options: competition, parasitism/disease, stress, natural disasters

Back

natural disasters

Front

What point on the graph represents the carrying capacity? Options: A, B, C, D

Back

D

Front

A population is...

Back

All members of one species in one area

Front

Which factor is a density-dependent limiting factor on the population of a species? Options: seasonal variation, natural disasters, unusual weather, predation

Back

predation

Front

What is happening at the 'A' on the graph?

Back

growth begins to slow down due to limited resources

Front

To measure population density, you must divide the number of individuals living in a defined space by the: area of the space, birth and death rates, carrying capacity, height of the space.

Back

area of the space

Front

Nesting birds often space themselves evenly from other nests. This pattern is called

Back

uniform dispersion.

Front

Lichens and mosses that first live in uninhabited areas are examples of

Back

pioneer species