Population Ecology Exam

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

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

The sea otter is a(n) ___________ that influences the survival of many other species in its ecosystem.

Back

keystone species

Front

A species described as r-strategist would definitely NOT have which of the following characteristics? Options: clumped population pattern, much parenting, many offspring, random population pattern

Back

much parenting

Front

________ grow slowly over time, cares for its young over a long period of time and is usually near the carrying capacity of its ecosystem.

Options: K-strategists, R-strategists, Uniform strategists, environmentalists

Back

K-strategists

Front

J-Shaped curves

Back

represent exponential growth

Front

Population increases at a constant rate over time.

Back

Exponential Growth