What type of ecological interactions exist between the deer and the grasses herbivory competition Mutualism parasitism?

Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings? the wings are analogous structures that evolved differently and do not have a similar internal structure. the wings are homologous structures that evolved differently and do not have a similar internal structure. wings of birds are vestigial structures, but the wing structures of bats are not vestigial. wings of bats are vestigial structures, but the wing structures of birds are not vestigial.

In the diagram below, the northern hemisphere would be in what season at position a a.fall b. winter c.summer d.spring

Which of the following types of rock would most likely contain a fossil? slate granite lava rock limestone