9. Many species of seabirds, including albatrosses, nest in colonies on islands.

Question

9. Many species of seabirds, including albatrosses, nest in colonies on islands. Young raised in a colony return to that colony to breed. Some ecologists who study seabirds turn to their favorite topic of conversation in a bar one evening and the first says, 'I can imagine an albatross genotype that destroys the eggs or nestling of its colonymates when the parents are away foraging. Do you think that such a behavior would evolve?" A second says, "Yes, because it would make more food available for the albatross and its offspring." A third, who obviously has not studied evolutionary biology, says, "No, because it would threaten the survival of the population" The fourth says, "You're both wrong I have a different explanation for why albatrosses don't kill others' chicks. a) Why is the third ecologist wrong? b) What does the fourth ecologist say?

Explanation / Answer

9. Many species of seabirds, including albatrosses, nest in colonies on islands.

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