Blue-footed boobies are birds that make a great show of their blue feet to attract and keep the attention of a potential mate. The blue feet are an example of which of the following?Multiple choice question.PheromonesElectroreceptionAn auditory signalA visual signal

If a female animal is especially adept at detecting blue colors, males of that species may evolve to have bright blue colors. This is an example of which of the following?Multiple choice question.Sensory exploitationIntrasexual selectionSensory selectionReciprocity theory

The mating ritual of the blue-footed boobies in the Galapagos Islands includes a complex dance. The birds will not mate with other birds that do not know the dance. This is an example of ________.Question 2Select one:A.mechanical isolationB.behavioral isolationC.structural isolationD.geographic isolationE.reproductive isolation

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

Female moths use Blank______ to attract males when they are ready to mate, which is an example of the use of chemical signals in Blank______ isolation of sympatric species.Multiple choice question.pheromones; behavioraldewlaps; behavioralpheromones; mechanicaldewlaps; mechanical

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