Ecology - Levels of Organization & Symbiosis

A single life form is called a(n):

• Organism

• Population

• Community

• Ecosystem

All of the populations in one area is called a(n):

• Organism

• Population

• Community

• Ecosystem

All of the living and non-living things in an area are called a(n):

• Organism

• Population

• Community

• Ecosystem

All of the organisms of the same species living in one place at one time are called a(n):

• Organism

• Population

• Community

• Ecosystem

A large ecosystem that is characterized by climate, plant communities, and animal communities is called a(n):

• habitat

• biome

• abiotic

• niche

• biotic

The living factors in an ecosystem are:

• habitat

• biome

• abiotic

• niche

• biotic

The physical location of a community is called a(n):

• habitat

• biome

• abiotic

• niche

• biotic

The role that an organism has in the community is called a(n):

• habitat

• biome

• abiotic

• niche

• biotic

The non-living factors in an ecosystem is called:

• habitat

• biome

• abiotic

• niche

• biotic

When one organism is benefiting and the other organism is not affected, it is called:

• competition

• commensalism

• parasatism

• predation

• mutualism