Populations and Communities 2

The maximum population size of a species that the environment can provide for given that there is enough food, habitat, water, and other necessities.

• population density

• limiting factor

• carrying capacity

• predation

An organism’s “job” in an ecosystem. This is where the organism lives, what it eats, and its relationship to living and nonliving things.

• commensalism

• adaptation

• niche

• competition

An interaction between organisms of the same or different species in which both are harmed.

• commensalism

• adaptation

• niche

• competition

Tags

NGSS.MS-LS2-4

A relationship between two organisms in which one gets something helpful and the other doesn’t (nothing bad happens to this organism, but nothing good happens either).

• commensalism

• adaptation

• niche

• competition

A factor that causes population growth to decrease.

• population density

• limiting factor

• carrying capacity

• predation

Tags

NGSS.MS-LS2-4

A measure of how many of a certain type of species exists per mile or other measurement.

• population density

• limiting factor

• carrying capacity

• predation

One animal hunting another.

• population density

• limiting factor

• carrying capacity

• predation

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

A feature that helps an organism survive in its environment.

• commensalism

• adaptation

• niche

• competition

Tags

NGSS.MS-LS4-4