Although natural selection as a mechanism for evolution is clearly evident and can easily be explained, there are some cases that are difficult to justify. All of the following are cases of natural selection that are hard to explain or justify, EXCEPT
O the long narrow beaks of finches are adapted for eating soft and fleshy fruits or nectar
O male deer evolve antlers that are energetically costy to grow and maintain, yet they are not used to defend against predators. Instead, they are used to fight off other male deers during mating, and for show as a status symbol among other deers. Deers normally run when confronted by a predator
O a bird uses a warning cry to alert other birds of the population of a nearby predator; the warning cry puts the bird at a greater risk of being noticed by the predator
O male peacocks evolve large, prominent tail feathers that would liley make them more, rather than less, vulnerable to predators
