Column 1 Column 2
100
Ecological succession
Changes that occur in ecosystem as one community replaces another after a disturbance.
100
soil
In primary succession, ______________ starts to form as primary species die.
200
Primary succession
Occurs where there was previously no soil.
200
Ecological disturbance
Examples include forest fires, floods, volcanic eruptions, retreating glaciers, cutting down a forest, and disease outbreaks in plant and animal populations.
300
Primary species
Small, opportunistic, and can survive in harsh conditions.
300
Plants
Provide many important ecosystem services.
400
Climax community
The late comers to succession form this.
400
Diversity
Ecosystems with greater species __________________, especially plants, have better resilience.
500
Secondary succession
Occurs after a tree in a forest falls down allowing light to hit the ground.
500
240
Researchers found that diverse grasslands, the ecosystem in which they collected data, were ______ percent more productive than grasslands with only one plant species






14.3 Succession and Sustainability

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