Why Is Territoriality an Adaptive Behaviour for Songbirds Maintaining Populations

question 81

Multiple Choice

Why is territoriality an adaptive behaviour for songbirds maintaining populations at or near their carrying capacity?

• A)Songbirds expend a tremendous amount of energy defending territories so that they spend less time feeding their young and fledgling mortality increases.
• B)Only the fittest males defend territories and they attract the fittest females so the best genes are conveyed to the next generation.
• C)Songbird males defend territories commensurate with the size from which they can derive adequate resources for themselves, their mate, and their chicks.
• D)Many individuals are killed in the agonistic behaviours that go along with territorial defence.
• E)Adult songbirds make improvements to the territories they inhabit so that they can produce successfully fledged chicks.

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