8.7 Disruptions to Ecosystems
Notes
- Invasive species spread with few natural predators.
- Human impacts: habitat loss, pollution, climate change, overharvesting.
- Natural disruptions: volcanoes, fires, droughts.
- Disruptions can change selection pressures and population sizes.
Practice
Invasive species often thrive because they:
Little to keep them in check.
Habitat destruction mainly reduces:
Species lose homes.
A rapid environmental change tends to favor populations with:
More chances that some can survive.
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