Exam 9: Reproductive Strategies

Which of the following is a primary sexual characteristic?

An animal begins its life as a female. Later the dominant male dies and the female changes sex to become male. This is an example of

Which is TRUE about monogamy?

Which type of mating strategy is most likely to result in self-fertilization?

What is the idea that a female selects the mate with a superior genotype called?

Asexual reproduction

Plant species with separate male and female flowers on the same individual are called _____, and plant species with only male or female flowers on an individual are called _____.

The idea that when selection for a preference by the female of a sexual trait and selection for that trait continue to reinforce each other and lead to extreme traits manifested in the male is called what?

An organism at times mates by outcrossing and other times mates by self-fertilization. What might the organism be responding to?

Salmon reproduce when many males and females release large quantities of their gametes into a stream. This process, spawning, is a type of

Fig wasp populations contain a high proportion of females to males because of local mate competition. This occurs because

Traits such as the large, colorful tail feathers of male peacocks are known as _____ because they are related to _____.

Reproduction in which offspring receive genetic material from two parents is called

Which of the following is NOT a genetic mechanism for sex determination?

Which mating system do honeybees employ?

A peacock is significantly more colorful than a peahen and has a much larger tail. These traits allow the peacock to attract a mate but also make the peacock more visible to predators. This is an example of

Which is NOT a benefit of extra-pair copulation?

An organism starts out its life as female but later changes into a male. This is an example of

Which of the following traits would NOT be considered a material benefit?

In some perfect flowers, the receptiveness of the stigma is delayed until after its anthers have released pollen. This delay prevents