Which of the following accurately describes sperm competition?Multiple choice question.A female mates with multiple males and not every male's sperm has equal chances of fertilizing an egg.A female evaluates the quality of a male's sperm before mating can occur.Not every sperm cell in the sperm of a single male has equal chances of fertilizing an egg.

Which of the following statements about intrasexual selection (assume males are the competing sex) is true?Multiple choice question.Typically, each male has an equal chance of engaging in a mating with a female.Typically, each male engages in one mating event with each female.Often a few successful males may engage in an inordinate number of matings, while most males do not mate at all.

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

Which of the following are adaptations that confer an advantage to males during sperm competition?Multiple select question.Large testes that produce more sperm per matingSperm cells that can survive for long periods of time in a dry environmentSperm cells that hook themselves togetherExtremely large sperm cells (could be as large as the egg cells)Sperm-transfer organs which remove the sperm of a prior mating

The production of sperm cells is calledMultiple choice question.fertilization.hybridization.oogenesis.spermatogenesis.

______ results in genetically identical daughter cells, whereas ______ results in genetically different daughter cells.Multiple choice question.Meiosis; mitosisSexual reproduction; asexual reproductionSexual reproduction; mitosisMitosis; meiosis