The dumping of garbage caused the population of crabs in an area to drop from 2,000 to 500. Crabs eat algae and are preyed on by larger fish. How will the crab's population change affect these two species?
Food and space will be equally distributed among the three species.
The population of predatory fishes will change.
The biodiversity of the ecosystem will decrease.
The algal population will increase.
The algal population will decrease.
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