Chapter 8: Populations

Front

What is mutualism?

Back

A relationship between two organisms in which both organisms benefit.

Front

What are the types of dispersion?

Back

Random, Clumped, Even.

Front

What is density in ecological terms?

Back

The number of individuals per unit area or volume, e.g., bass per cubic meter of water.

Front

What is an example of mutualism?

Back

A honeybee and a wildflower.

Front

What is a density-independent limiting factor?

Back

A limiting factor that affects all populations in similar ways, regardless of population size (e.g., drought, climate extremes).

Front

What is competition in ecology?

Back

An interaction between organisms where they compete for the same resources, such as food, space, or mates.

Front

What is parasitism?

Back

A relationship where one organism benefits at the expense of another, e.g., a tick feeding on a dog.

Front

What is commensalism?

Back

A relationship where one organism benefits and the other is neither helped nor harmed, e.g., barnacles on a whale.

Front

What is carrying capacity?

Back

The maximum number of individuals of a species that an environment can support sustainably.

Front

What is exponential growth in populations?

Back

A growth pattern where a population increases rapidly when resources are unlimited.