If the population of beetles in this rain forest community were to disappear, the population of poison dart frogs will most likely be affected; option B.
Beetles serve as food for poison dart frogs.
Since poison dart frogs depend on beetles for food, then, a decrease in the population of the beetles in the forest community will most likely result in a decrease in the population of the poison dart frogs.
In conclusion, the beetles serves as food for poison dart frogs.
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