Question

3. Provide two examples where an act that looks altruistic may actually be selfish instead and explain why it is not really altruistic. (4 pts) 4. Why does sexual selection arise? (4 pts) 5. What information does the operational sex ratio provide when assessing whether a species should display intra- or interspecific competition? (4 pts)

Answer 1

sexual selectio is a mode of natural selection process where members of one sex choose mates of another sex to mate with and compete with members of same sex for asess the members of opposite sex

sexualseletion can leads malesto do extreme effort to demonstrate their fittnessto be choosen by females producing sexual diamorphism in secondary sexual characterstics

sexual selection is the process of difference in reproduction that arises from variation among the individuals in the trait that affect sucess in compition that affects mates

ans ) in evolutionarty bology the operational sex ratio is defined as the no of compiting males that are ready to mate the compiting female this ratio is mainly used to assess the compition that can be interspecific ( where a direct interaction is needed between the mates) and intraspecific where no direct interection is needed.