Exam 27: Animals

Which phylum includes the lineages Polyplacophora, Gastropoda, Bivalvia, and Cephalopoda?

Match each group of organisms with its lineage. Each lineage will be used only once. -hagfishes

Which lineage includes two species of coelacanths and six species of lungfish among its living members?

What is the name of the mesoderm-derived, calcium-stiffened structures that comprise the internal skeleton of echinoderms?

Which phylum includes members that have bilaterally symmetrical larvae but exhibit secondary radial symmetry as adults, usually organized around five rays, or "arms"?

Which subphylum includes spiders, ticks, mites, scorpions, and horseshoe crabs?

Which of the following describes the postembryonic development that members of the order Thysanura (silverfish) have instead of metamorphosis?

Which lineage includes living members that are sharks, skates, and rays?

Which lineage includes living members that are jawless vertebrates called hagfishes?

Which term refers to animals that do NOT have a body cavity that separates the gut from the muscles of the body wall?

Which of the following types of cell cleavage is found most often for protostomes?

Which lineage do salamanders belong to?

What is the name of the paired excretory organs found in most body segments of segmented worms?

Which class is composed mostly of terrestrial earthworms?

Based on modern molecular phylogeny, which animal taxon has members with radial symmetry?

Which lineage includes lizards and snakes?

Which mammalian lineage has two species of spiny anteaters (echidnas) and the duck-billed platypus as the only known living members?

Which phylum is associated with all of these terms: asymmetry, choanocytes, filter feeding, osculum, and spicules?

What is the name of a lineage of flatworms that are endoparasites of vertebrates?

What is the name of the main embryonic cell layer from which the muscles of the body wall are derived in most metazoans?