A deer's antlers, a ram's horns and the bright plumage of a male paradise bird are all examples of which of the following?Multiple choice question.Secondary sexual characteristicsIntersexual selectionSperm competitionPrimary sexual characteristics
Question
A deer's antlers, a ram's horns and the bright plumage of a male paradise bird are all examples of which of the following?Multiple choice question.Secondary sexual characteristicsIntersexual selectionSperm competitionPrimary sexual characteristics
Solution
The correct answer is "Secondary sexual characteristics". These are physical features that distinguish males from females, but are not directly involved in reproduction. They often serve to attract mates, which is why they are more pronounced in males. For example, a deer's antlers, a ram's horns, and the bright plumage of a male paradise bird are all used to attract females and are therefore considered secondary sexual characteristics.
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