Many different species of insects have mouthparts derived from the same embryonic structures, indicating that the mouthparts are modifications of a common ancestor's original features. These include a labrum (upper lip), a pair of mandibles, a hypopharynx (floor of mouth), a pair of maxillae, and a labium.urther evidence comes from the field of biogeography because evolution with common descent provides the best and most thorough explanation for a variety of facts concerning the geographical distribution of plants and animals across the world.
compliance elf Compliance ELF (Employee Level Filing) streamlines the compliance process related to personal trading/dealing monitoring, affirmations, gift and political contribution reporting and much more â for both employees and the compliance team.
Norwegian Elf: Nisse. The Barn Elf (FjÃ¸snissen) is a creature from Scandinavian folklore. He was often described as a short man, âno bigger than a horseâs headâ, wearing grey clothes, knickerbockers and a red hat similar to what Norwegian farmers would wear. As the name suggests, the FjÃ¸snisse lived in the barn.