The model below predicts that the begging level of full offspring (F)should essentially be zero,whereas hungry (H)and starving (S)offspring show intermediate and high levels of begging,respectively.Under what circumstances would we expect full offspring to start begging?

Question

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According to the model, full offspring show no or very low levels of begging. However, their behavior may change if the fitness costs of not begging (such as reduced parental care or smaller food portions) become lower than the potential benefits of begging (such as getting more food or attention from parents). In this case, the full offspring may start to beg, even if at a lower level than hungry or starving offspring. The other options (A and C) do not provide a clear or necessary explanation for the change in begging behavior of full offspring. Option D is correct but does not answer the question.

The Model Below Predicts That the Begging Level of Full