Ecological Communities

Pick the letter of the term or phrase that best matches the description.

a common type of succession that occurs on a surface where an ecosystem has previously existed

• a. ecological succession

• b. primary succession

• c. secondary succession

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the first organisms to colonize any newly available area and begin the process of ecological succession

• d. pioneer species

• e. climax community

• f. old-field succession

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a type of succession that occurs on a surface where no ecosystem existed before

• a. ecological succession

• b. primary succession

• c. secondary succession

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a final and stable community

• d. pioneer species

• e. climax community

• f. old-field succession

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a gradual process of change and replacement of the types of species in a community

• a. ecological succession

• b. primary succession

• c. secondary succession

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a type of succession that occurs on abandoned farmland

• d. pioneer species

• e. climax community

• f. old-field succession

What type of vegetation would you expect to find on an abandoned farm that has remained undisturbed for 150 years?

• a. short grasses

• b. shrubs

• c. young pine trees

• d. tall, mature oak trees

What type of vegetation would you expect to find on newly formed volcanic islands?

• a. lichens

• b. short grasses

• c. shrubs

• d. young trees

Tags

NGSS.MS-LS1-5

What type of succession occurs after a natural process such as a volcanic eruption or flood?

• a. primary succession

• b. secondary succession

• c. old-field succession

• d. climax community

The eruption of Mount St. Helens was followed by

• a. primary succession.

• b. secondary succession.

• c. old-field succession.

• d. forest succession.