Question

population size and structure
quiz
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the great hornbill and the toucan both eat the same fruit, insects, and nuts. they both live in the rainforest. their large
bills function to get food and also as warning coloration. which of the following is a limiting factor to the toucan
population?
overlapping breeding seasons
bill coloration
genetic variability
competition
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Explanation:

• Overlapping breeding seasons: This is more related to reproductive timing and not a direct limiting factor for population size in the context of resource competition.
• Bill coloration: It is a trait for warning or other functions but not a limiting factor for population size regarding resources.
• Genetic variability: Affects the adaptability and evolution of a population but not a direct limiting factor for population size here.
• Competition: Since both the great hornbill and the toucan eat the same food (fruit, insects, nuts) and live in the same habitat (rainforest), competition for these resources will limit the toucan population.

Answer:

D. competition