Which of the Following Statements Is True Regarding the Involvement

question 26

Multiple Choice

Which of the following statements is true regarding the involvement of sexual selection on male function (pollen donation) leading to sexual dimorphism in flowers?

• A) Female flowers typically receive far more pollen than is needed to fertilize their seeds.
• B) Delph and colleagues (1996) found that out of 42 animal-pollinated plant species, 29% of females had the largest reproductive parts, but males had the largest perianths.
• C) Studying wild radishes, Stanton and colleagues (1996) found that reproductive success through pollen donation was limited by pollinator visits, whereas reproductive success through seed production was not.
• D) All of the above statements are true.

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Definitions:

Sperm-Transferring Pedipalps

In certain arachnids, modified appendages used by males to transfer sperm to the female during reproduction.

Male Spider

A reference to the male of the spider species, which often engages in complex mating rituals and sometimes faces post-mating cannibalism by the female.

Semen Ejection

The process by which semen is expelled from the male reproductive tract, generally during ejaculation, as part of the reproductive process.

Low-Ranking Males

Male individuals positioned at the lower end of a social hierarchy, often having less access to resources and mating opportunities.