Ecosystem Ecology

Species that are clearly critical to the functioning of an ecosystem are known as

• biodiversity

• keystone species

• main species

• native species

A common type of succession that occurs where an event such as a forest fire has occurred, or a farmer's field has been abandoned is called

• common succession

• primary succession

• secondary succession

• Quaternary succession

What does biodiversity mean?

• Only one species in an area.

• The different amount of species in an area

• All abiotic life

• Nitrogen fixation

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Which option is abiotic?

• Plants

• Bacteria

• Water

• Fungi

High biodiversity is a sign of a healthy ecosystem.

• True

• False

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What are some ways we can help in maintaining biodiversity?

• Get involved with ecological restoration in your area.

• Prevent invasive species from overpopulating.

• Don't use chemical pesticides on crops.

• All of the above

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An ecologist who studies how several species in an area interact with one another and with the abiotic parts of the environment is interested in the biological organization level called a(n) _____.

• organism

• population

• community

• ecosystem

Brown trout and smallmouth bass in a freshwater pond with a water temperature of 55 degrees Fahrenheit and a pH of 6.5.

• Population

• Community

• Ecosystem

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The non living parts of an ecosystem

• abiotic factors

• biotic factors

• oxygen

• soil

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the living parts of an ecosystem

• biotic factors

• biology

• abiotic factors

• animals

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