Population & Communities (1-1/1-2)

The place where an organism lives and that provides the things it needs.

• habitat

• ecology

• immigration

• emigration

A living part of an ecosystem.

• biotic factors

• abiotic factors

• limiting factor

• ecology

A nonliving part of an ecosystem.

• abiotic factors

• biotic factors

• habitat

• ecology

A group of organisms that are similar and reproduce to produce fertile offspring.

• species

• limiting factor

• habitat

• carrying capacity

The study of how living things interact with each other and their environment.

• ecology

• immigration

• emigration

• carrying capacity

Smallest level of an ecosystem:

• organism

• population

• community

• ecosystem

Second level of organization in an ecosystem

• organism

• population

• communtiy

• ecosystem

Third level of organization in an ecosystem:

• organism

• population

• community

• ecosystem

Largest level of organization in an ecosystem:

• organism

• population

• community

• ecosystem

The number of individuals in a specific area.

• population density

• birth rate

• death rate

• limiting factor