BIOL 110 Study Guide - Final Guide: Agnatha, Arthropod, Vertebrate
Document Summary
General characteristics: multicellular, eukaryotic, heterotrophic, require oxygen for aerobic respiration, reproduce sexually, motile at some stage of life cycle, life cycle with stages of embryonic development. Animal body plans: organization of body plans i. Mesoderm: tissue- integrated group of cells with a common structure and function. Poriferan characteristics: lack true tissue, suspension feeders, reproduce as hermaphrodites. Cnidarian characteristics: diploblastic, radial symmetry, saclike body plan. Date: / / : two body forms i. Polp: medusa, nematocysts for prey capture, simple nerves. Platyhelminthe characteristics: triploblastic, bilateral symmetry, one-way digestive tract, reproduce as hermaphrodites. Rotifer characteristics: pseudocoelomate, triploblastic, complete digestive tract, reproduction by parthenogenesis. Nematode characteristics: pseudocoelomate, tripoblastic, complete digestive tract, sexual reproduction. Date: / / : triploblastic, protostome development, circulatory and respiratory systems, body plans of three main parts. Groups of molluscs: gastropods: snails and slugs, bivalves: clams, oysters, and mussels, cephalopods: octopi and squid. Arthropod characteristics: coelomate, triploblastic, protostome development, circulatory and respiratory systems, exoskeleton made of chitin.
