Front

What may cause a population to increase?

Back

Increase of food supply, removal of predators, removal of disease, or all of these.

Front

What are events that affect a population regardless of its size?

Back

Density-independent limiting factors.

Front

What is the carrying capacity for a sheep population?

Back

1.6 million.

Front

What type of growth model is characterized by rapid population increase followed by a slowdown?

Back

Exponential growth model.

Front

What is the largest number of individuals of a population that the environment can support?

Back

Carrying capacity.

Front

Define density-dependent limiting factors.

Back

Factors that affect a population based on its size, such as competition and predation.

Front

Define carrying capacity.

Back

The maximum population size that an environment can sustain indefinitely.

Front

What is logistic growth?

Back

A growth model that describes how a population grows rapidly at first and then levels off as it reaches carrying capacity.

Front

What is a population crash?

Back

A rapid decline in the size of a population.

Front

What is mutualism?

Back

A symbiotic relationship where both species benefit.