4. according to hartley, which of the following is not influenced by sexual conflict?
a) the evolution
of the offspring's behaviour.
b) the look of the offspring's faces.
c) the number of
eggs produced by one offspring at a time. d)
the offspring's body size.
解析:3 in evolutionary terms从进化角度来讲,the best strategy 策略for any parent in the animal world is to find someone else to care
for 照顾their
offspring, 子孙so
they can concentrate 集中on breeding 繁殖again. so it's normal for parents to try to pass the buck to 推卸责任each other. but ian hartley 阿兰哈特利from the university of lancaster 兰开斯特and his team wondered how families solve this
conflict, and how the conflict itself affects the offspring.
7 sexual conflict 两性冲突has long been thought to affect影响 the quality 质量of care given to offspring, says zoologist动物学家 rebecca kilner 瑞贝卡卡尔纳at cambridge university,剑桥大学 who works on conflict of
parents in birds.“but the experimental实验的 evidence 证据is not great. the breakthrough突破 here is showing it empirically.”经验注意地
8 more
surprising, says kilner,卡尔纳 is hartley's
哈特利statement陈述 that
conflict may be a strong influence影响 on
the evolution进化 of behaviour,行为 clutch size窝卵数 and even appearance.外表 "people have not really made that
link",联系 says hartley. a female's reproductive 再生的strategy策略 is usually thought to be affected
by hunting and food supply. kilner卡尔纳 says conflict of
parents should now be taken into account 考虑在内as well.同样地