Populations and Communities

An organism's habitat must provide all of the following except

• food

• shelter

• water

• predators

All of the nonliving factors in an ecosystem are

• abiotic

• biotic

• organisms

• plants

The place where an organism lives and gets its resources is it's

• population

• habitat

• community

• area

All of the members of one species in a particular area is a

• population

• area

• habitat

• community

Organisms leaving a population is called

• emigration

• immigration

• habitat

• community

Organisms entering a population is called

• emigration

• immigration

• ecosystem

• biome

The first species to populate an area where primary succession is happening is

• grass

• pioneer species

• primary species

• secondary species

The particular role an organism plays in its habitat is called the

• habitat

• niche

• soil

• competition

All of the following are examples of limiting factors except

• food

• soil

• space

• weather conditions

A bird building its nest in a tree is an example of

• commensalism

• mutualism

• predation

• parasitism