Invertebrate Zoology |
Contents
Introduction to the Invertebrates | 1 |
The Protozoans | 17 |
Introduction to the Metazoans | 67 |
Copyright | |
16 other sections not shown
Common terms and phrases
abdomen aboral adapted adult animal annelids antennae anus appendages aquatic arms arthropods aschelminths bears benthic bivalves blood body wall bryozoans burrowing canal carapace cells chelicerae chelicerates choanocytes ciliated cleavage cnidarians cnidocytes coelom colony crustaceans ctenidia cuticle digestive dioecious dorsal duct echinoderms eggs elongate epidermis eyes feeding female Figure flagellates freshwater function gametes ganglion gastropods gastrovascular cavity gills glands gonads gonopore habitats hemocoel host insects intestine invertebrates larva larval stage lateral layer legs located locomotion longitudinal muscles lophophore male mantle cavity marine maxillae medusa membrane metamerism metazoans molluscs molts mouth mouthparts nematodes nerve cord opisthosoma oral Order organs ossicles pairs parasitic pharynx phyla phylum polychaetes polyp posterior primitive proboscis protostomates protozoans pseudocoelom radial reproductive segments sensory shell species sperm spiders spines sponges stomach Subclass surface taxa tentacles terrestrial thoracic tion trunk tube tubules turbellarians typically usually valves ventral visceral wings worms