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Bio Lecture Exam 3.5
9.2 Summative Quiz Content
| Question | Answer |
|---|---|
| In a species such as pigeons, in which males are almost indistinguishable in appearance from females, the most likely mating system is: | monogany |
| Vampire bats: | sometimes regurgitate blood into the mouth of an unrelated bat that is close to starving. |
| Mate guarding is a reproductive tactic that functions to: | reduce paternity uncertainty. |
| All of the following are necessary conditions for reciprocal altruism to evolve in a species except: | at least one of the sexes must not disperse, so that some individuals always live near their kin. |
| Altruistic behavior in animals may be a result of kin selection, a theory maintaining that: | genes promote the survival of copies of themselves when behaviors by animals that possess those genes assist other animals that share those genes. |
| Gestational diabetes is thought to be the consequence of: | conflict between the mother and fetus with respect to how much food the fetus should be given; |
| In Belding's ground squirrels, why are females much more likely than males to engage in altruistic behavior by sounding alarm calls? | Females tend to remain in the area where they were born, so the females that call are warning their own kin. |
| Why do human taste preferences exist? | Human feeding choices influence energy intake and, consequently, fitness. |
| If you find a species of fish in which males are much more brightly colored and larger than females, what might you infer about their mating system? | polygamous |
| Relative to birds, more mammalian species are: | monogamous |
| Polygynous species: | are usually sexually dimorphic, with males larger and more highly ornamented. |
| In a situation in which males guard eggs and care for the young without help from the female, which of the following statements would most likely be correct? | Females are more brightly colored than males and court males aggressively. |
| In mammals, as well as many other species, males generally compete for females. The best explanation for this phenomenon is: | females have a higher parental investment. |
| Why is it so much easier for an infant to learn a complex language than for a college student to learn biology? | Both b) and c) are correct. |
Created by:
whaleydrew
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