Ecosystem Homeostasis & Succession

Which of the following describes ecological succession?

• Type of succession in which no ecosystem previously existed.

• Gradual change in an ecosystem over time.

• A final and stable ecological community.

• The relationship between two species in which both compete for a resource.

Which of the following describes primary succession?

• Type of succession in which no ecosystem previously existed.

• Gradual change in an ecosystem over time.

• A final and stable ecological community.

• The relationship between two species in which both compete for a resource.

Which of the following describes climax community?

• Type of succession in which no ecosystem previously existed.

• Gradual change in an ecosystem over time.

• A final and stable ecological community.

• The relationship between two species in which both compete for a resource.

Which of the following describes competition?

• Type of succession in which no ecosystem previously existed.

• Gradual change in an ecosystem over time.

• A final and stable ecological community.

• The relationship between two species in which both compete for a resource.

Which of the following describes secondary succession?

• A type of ecological succession in which an ecosystem previously existed.

• A type of ecological succession in which no ecosystem previously existed.

• A specific type of secondary succession where farmland is no longer cultivated and ecosystem replenishes.

• The first organism to colonize an area and begin ecological succession.

Which of the following describes a pioneer species?

• A type of ecological succession in which an ecosystem previously existed.

• A type of ecological succession in which no ecosystem previously existed.

• A specific type of secondary succession where farmland is no longer cultivated and ecosystem replenishes.

• The first organism to colonize an area and begin ecological succession.

Which of the following is correct about primary succession?

• It occurs where an ecosystem already existed.

• It occurs in an ecosystem that experienced natural disaster.

• It requires more time than secondary succession.

• It requires less time than secondary succession.

Which of the following is correct about secondary succession?

• It occurs where no ecosystem previously existed.

• It occurs where an ecosystem already existed.

• It requires more time than primary succession.

• It requires the same amount of time as primary succession.

Which of the following is an example of primary succession?

• A forest regrows after it is affected by a hurricane.

• An old field that was once farmland is no longer cultivated and begins to regrow weeds and shrubs.

• A prairie that is burned in a wildfire begins to replenish.

• A newly formed sand dune with one pioneer species.

Which of the following is an example of secondary succession?

• Hardened rock from a volcanic eruption has mosses that begin to grow.

• An old field that was once farmland is no longer cultivated and begins to regrow weeds and shrubs.

• A newly formed sand dune with one pioneer species.

• None of the above.