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Population Growth

Across
Something that stops an organisms body from working.
The struggle among living things to use the same resources in an ecosystem.
Plants or animals that are not native to an ecosystem.
A relationship in which both organisms benefit
Down
The complete disappearance of a species.
A relationship in which one organism benefits and the other is unaffected.
Animals working together to get food or care for their young.
An animal that is hunted or killed by another animal for food.
A relationship in which one organism is helped and the other is harmed.
An animal that preys on others.