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12 Cards in this Set
- Front
- Back
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Primary succession may begin in an area composed of what?
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bare rock
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What is a forest growing back after a forest fire an example of?
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Secondary succession
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What effect does biodiversity have on a forest?
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It makes destruction by insects less likely.
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During what process is rock slowly transformed into soil?
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Primary succession
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What is a pioneer species?
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lichens
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How does secondary succession differ from primary succession?
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Secondary succession occurs in an area that has soil.
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What is true about climax species?
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They grow slowly and are well adapted to the environment.
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What does a mature community always have?
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well-adapted organisms
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What is the first step in rock changing to soil?
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Acids from lichens break up rocks.
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What would the first plants to grow on abandoned farmland be?
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weeds
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How can you tell if you are seeing primary or secondary succession?
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Primary succession shows newly exposed rock, lichens would have appeared before weeds. Secondary successions shows pioneer plants as weeks, which indicate that soil was present.
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What kind of vegetation would you see 150 years after pine and oak trees appear?
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There would be a mature hardwood
forest because as older pines die they may be replaces by hardwoods if the climate can support them. |
