mammology terms exam 3

Question 1

factors that drive variation in male mating

Answer 1

-is parental care needed
-can the male defend females/territories
-what is the size/stability of female groups
-what is the predictability of locating females

Question 2

polygyny

Answer 2

1 male, multiple females

Question 3

polyandry

Answer 3

1 female, multiple males (rare in mammals)

Question 4

in what orders is monogamy common

Answer 4

canidae and some primates

Question 5

obligate monogamy

Answer 5

live in overlapping territories, where females cannot rear young without help of partners

Question 6

facultative monogamy

Answer 6

when population densities are low and male ranges overlap with the range of a single female

Question 7

which species practice obligate monogamy

Answer 7

beavers, black-backed jackal, bat eared foxes, african wild dogs

Question 8

how is the division of labor split in beavers

Answer 8

adult breeding male - scent marking territory and territory defense
adult breeding male - care and nursing of young
family group - collect food, build/repair

Question 9

when does promiscuity arise

Answer 9

when females are not defensible and their daily movements are not predictable, males cannot rely on territories

Question 10

species who are promiscuous

Answer 10

bonobos, whitebelly spinner dolphins, snowshoe hare

Question 11

which species practice polyandry

Answer 11

found in antechinus, prairie dogs, yellow toothed cavy

Question 12

resource defense polygyny

Answer 12

males control access to resources, such as food or prime habitats, required by females

Question 13

female defense polygyny

Answer 13

when females aggregate, males will compete amongst each other for the right to mate with this cluster

Question 14

bat species that form harems

Answer 14

greater sac winged bat, rufous mouse eared bat, asian club footed bat, greater spear nosed bat