Population Ecology

Front

If birth rate plus immigration exceeds death rate plus emigration, a population _______.

Back

grows

Front

What term is used to define anything that regulates the size of a population?

Back

a limiting factor

Front

Which best describes the graph of logistic growth?

Back

S-shaped

Front

What is the largest number of individuals that an environment can support long term?

Back

carrying capacity

Front

Emigration is the movement of individuals ______ a population.

Back

out of

Front

What is the term for the maximum population size that an environment can sustain?

Back

carrying capacity

Front

What is the difference between immigration and emigration?

Back

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

Front

What does a J-shaped growth curve represent?

Back

Exponential growth, where the population size increases rapidly.

Front

What is a density-dependent factor?

Back

A factor that affects population size in relation to the population's density, such as food availability.

Front

What is a density-independent factor?

Back

A factor that affects population size regardless of the population's density, such as natural disasters.