Cuckoldry occurs when... Females provide all parental care while males do not provide any care for offspring O Males provide all parental care for their offspring while females do not. O Males unknowingly provide care for offspring that are not their own. O Neither males nor females provide parental care resulting in high mortality of offspring.
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- In most____ , males and females cooperate in care of the young. a. mammals c. fishes b. birds d. all of the abovePer several primatological studies, the reason behind infanticide appears to be: aSuper aggression in males bIt is caused by pathological behavior cIt helps improve reproductive fitness dPost-partum depression in females1. The benefit of fighting for a territory is 12 reproductive units, and the cost is 8 reproductive units. Should you be hawk or dove? b. The benefit of fighting for a territory is 12 reproductive units, and the cost is 8 reproductive units. What is your benefit if you play hawk and your opponent plays dove? Using Hawk Dove Game Theory https://www.youtube.com/watch?v=lshGV-qxJmI
- Assume you are studying a lizard that is involved in males displaying to females and females choosing males to mate with. The females will raise the offspring by themselves. Which of the following benefits might females be receiving in this system? a. Direct benefits b. Indirect benefits c. Both a. and b. d. Neither a. nor b.A new species is discovered in which males care for offspring after birth, and females leaves the nest immediately. In this species, males are likely to A. Have more offsprings overall than females. B. Have fewer offspring overall than females. C. Be promiscuous. D. Have lower parental investment.78. Deviation from a purely monogamous mating system is likely when _________. A. resources are clumped B. one sex can successfully raise offspring on their own C. shared parental care maximizes the reproductive success of males and females D. only two of the above situations are likely to result in deviations from monogamy E. all of the above are likely to result in deviations from monogamy
- Which of the following are reasons why parental investment can differ between the sexes? a. Production of different sex cells b. Differences in behavior c. Differences in migration d. Both a. and b. e. Both b. and c.According to Hamilton’s rule,(A) natural selection does not favor altruistic behavior thatcauses the death of the altruist.(B) natural selection favors altruistic acts when the resultingbenefit to the recipient, corrected for relatedness, exceedsthe cost to the altruist.(C) natural selection is more likely to favor altruistic behaviorthat benefits an offspring than altruistic behavior thatbenefits a sibling.(D) the effects of kin selection are larger than the effects ofdirect natural selection on individuals.The“unsuccessful mutualists” in Kathleen Keeler’s cost-benefit model ofmutualism are those that:a.give benefits to their partner, but fail to receive benefits in return.b.receive benefits from their partner, but fail to provide benefits inreturn.c.neither give benefits to their partner, nor receive them in return.d.fail to locate individuals of their mutualistic partner effectively.e.locate mutualistic partners, but fail to overcome their defenses againstcolonization.
- Whichof the following statements concerning lion cooperative living is false?a.Larger coalitions are composed of unrelated males.b.Prides are composed of closely related females.c.First and second ranked males sire the majority of cubs.d.Males taking over a pride will practice infanticide.e.Female lions nurse each other’s cubs.Two male deer compete for access to a female by sparring with their antlers. What type of selection pressure is this? a Intrasexual b IntersexualWhich of the following is NOT likely to be a result of a skewed operational sex ratio? A. A goby fish cannibalizing some of its own eggs. B. The extended head of a stalk-eyed fly. C. Female seahorses fighting over egg space in a male’s pouch. D. Male bighorn sheep butting heads.