Ecology Test Review

relationship between two species that live closely together

• resource

• mutualism

• habitat

• symbiosis

The nonliving factors of an ecosystem.

• Abiotic factors

• Biotic factors

The living factors of the ecosystem.

• Biotic factors

• Abiotic factors

What are the Abiotic factors in this image?

• water, sunlight, air

• birds and plants

• birds, water, dirt

• plants, water

An individual living thing

• Population

• Community

• Organism

• Ecosystem

All of the living and nonliving things in an area that interact with each other are called a/an ______.

• community

• organism

• population

• ecosystem

a group of a particular species living and interacting in the same area

• Community

• Population

• Organisms

• Ecosystem

Different populations living and interacting with each other in the same area

• Population

• Ecosystem

• Community

• Organism

symbiotic relationship in which both organisms benefit

• competition

• Mutualism

• commensalism

• parasitism

What is the major difference between a community and an ecosystem? (read carefully and select two)

• A community only includes the biotic, not the abiotic

• An ecosystem only includes the biotic, not the abiotic

• An ecosystem involves the biotic, and the abiotic

• A community involves the biotic, and the abiotic