Here is my brothers new pfp

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.

When water freezes, it . contracts expands

This is the diveristy of ecosystems natural communites and habits it is the variety of ways that species interact with each other and their environment