polygynous造句
1 For you, I can 't those polygynous.
2 The more polygynous the species, the greater the size disparity between the sexes.
3 Because most bowerbirds are polygynous, meaning one male is the mate of more than one female, and these males build decorative bowers, they make excellent species for testing this idea.
4 The low-ranking wives in polygynous marriages should be in worse condition because they get a smaller share of their husband's resources.
5 In 16 of the 19 polygynous species in their sample, males of all ages were much more likely to die during any given period than were females.
6 Many polygynous marriages have shown considerable variability in the amount of influence and control multiple wives could command.
7 This is not a complete truism in a polygynous marriage, and is a criticism of monogamous marriages as well.
8 We know that humans have been polygynous throughout most of history because men are taller than women.
9 Previous studies proposed that testes are smaller in polygynous species such as gorillas where one alpha male monopolises mating with multiple females.
10 In polygynous families in the Novels of Ming and Qing Dynasties, the positions of wife,[www.] concubine and servant girls were different.
11 A special kind of polygynous mating system where aggregated males display and females attend primarily for the purpose of fertilisation.
12 Although polygynous marriages are not recognised in most modern societies, polygynous behaviour remains common.
13 These true seals have a highly polygynous mating system, with a successful male able to impregnate up to 50 females in one season.
14 The sexes form different kinds of association for breeding in different species; some are monogamous, others polygynous, others polyandrous.
15 Males do not go on to construct further nests as polygynous weavers of more productive lands do.
16 Variation in reproductive success should be greater among males of polygynous species than among males of monogamous ones.
17 Large relative antler size in deer is associated with strongly polygynous breeding systems.
18 Societies in sub-Saharan Africa and the Caribbean are much more polygynous than the Muslim nations in the Middle East and North Africa.
19 Typically, human males are 10 percent taller and 20 percent heavier than females.This suggests that, throughout history, humans have been mildly polygynous.
20 We apply the Trivers-Willard prediction - that mothers in poor condition will overproduce daughters - to a novel measure of condition, namely wife rank within a polygynous marriage.
21 Mothers in poor condition, here lower-ranking co-wives in a polygynous marriage, may overproduce daughters because these give them greater fitness returns than sons.