- keystone predators
- 关键: hinge; key; crux; linchpin; ...
- 捕食者: predator
- 捕食者: predation; predator prey interaction; predator prey relationship; predator-prey relationship
- 被捕食者: n. an animal that is hunted and eaten by another animal; prey animal
- 底栖捕食者: bottomliving predator
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