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Ecological succession
Changes that occur in ecosystem as one community replaces another after a disturbance.
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soil
In primary succession, ______________ starts to form as primary species die.
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Primary succession
Occurs where there was previously no soil.
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Ecological disturbance
Examples include forest fires, floods, volcanic eruptions, retreating glaciers, cutting down a forest, and disease outbreaks in plant and animal populations.
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Primary species
Small, opportunistic, and can survive in harsh conditions.
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Plants
Provide many important ecosystem services.
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Climax community
The late comers to succession form this.
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Diversity
Ecosystems with greater species __________________, especially plants, have better resilience.
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Secondary succession
Occurs after a tree in a forest falls down allowing light to hit the ground.
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240
Researchers found that diverse grasslands, the ecosystem in which they collected data, were ______ percent more productive than grasslands with only one plant species
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