What unifies the hexapoda? Be able to recognize a few of these classes by sight, and be able to distinguish some of them. Be able to describe specializations of different organisms. Complete metamorphosis (holometabolous) vs incomplete metamorphosis (hemimetabolous)

Coelom formation in Deuterostomes is ____________ whereas in Protostomes is _____________.

Which of the following are characteristics shared by the phyla Platyhelminthes and the Nematoda? they have a pseudoceolem they have blind gastrovascular cavities some are parasitic they have bilateral symmetry they are acoelomate they are protostomes

Leeches are members of the phylum _ in the clade of bilaterally symmetric animals called _ (Nematoda; ecdysozoa/platyhelminthes;Deuterostomia/Cnidaria;lophotrochozoan/annelida;lophotrochozoa)?

do any nematodes have similar adaptations due to their needs being met by their hosts? I know that nematodes are parasitic and not mutually beneficial, but they are still symbionts and perhaps have evolved to no longer require some components of basic anatomy in result of their needs being met by their host. please cite sources

Which of the following terms apply to the body cavity of Molluscs (except Cephalopods)? Choose all that apply. O hemocoel with a coelom persistent blastocoel O pseudocoelom/hemocoel acoelom