In many species of animals, males and females look very different as a result of sexual selection. These animal species exhibit which of the following?Multiple choice question.Sexual dimorphismSexual separationSexual divergenceSexual differentiation

A difference in the appearance between males and females of a species is calledMultiple choice question.convergent evolution.differential fitness.random mating.sexual dimorphism.

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.Intersexual selectionSecondary sexual characteristicsPrimary sexual characteristicsSperm competition

Sexual selection is a type of natural selection in which the evolution of certain traits is driven by which of the following types of competition?Multiple choice question.Competition between males and femalesCompetition with predatorsCompetition between unrelated individualsCompetition for mates

Females often evaluate and choose males because Blank______.Multiple choice question.in most animal species, females can only reproduce once every few yearseach reproductive event for females is less costlyeach reproductive event for females is more costly

In sexual dimorphism, one sex is ______ than the other sex.Multiple choice question.less common in the populationmore likely to carry harmful allelesdifferent in appearancemore fit