A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z                    HOME ABOUT CATEGORIES SITE MAP COPYRIGHT ADVERTISE CONTACT entire Web this site ZOOLOGY    • abalone    • absorptive feeder    • Acarina (mites and ticks)    • Acathocephala (spiny-headed worms)    • acclimatization    • Actinopterygii (ray-finned fish)    • aestivation    • Agnatha (jawless fishes)    • air sac    • albino    • alternation of generations    • amoeba    • amphibian    • amphipod    • anhydrobiosis    • animal    • animal behavior    • animal cell    • animals' mathematical ability    • Annelida (true worms)    • ant    • antenna    • anthropoid    • anthropoid apes    • antlers    • Anura (frogs and toads)    • ape    • aphid    • Apoda (caecilians)    • arachnid    • arboreal    • arenaceous    • arthropod    • Artiodactyla    • asexual reproduction    • Asteroidea    • axolotl    • baleen    • barbels    • barnacle    • basking shark    • beak    • bee    • benthos    • binocular vision    • biological clock    • bioluminescence    • blubber    • blue whale    • carapace    • Carnivora    • carnivore    • caterpillar    • cephalic index    • cephalization    • Cephalochordata    • cephalopod    • cephalothorax    • cetacean    • Chaetognatha    • Chelonia    • Chiroptera    • Chondrichthyes    • chordate    • chrysalis    • cnidarian    • cocoon    • coelacanth    • coelenteron    • compound eye    • copepod    • coral    • crab    • crinoid    • Crocodilia    • Crossopterygii    • crustacean    • cryobiology    • cryptic coloration    • cryptobiosis    • Ctenophora (comb jellies)    • cuticle    • decapod    • dimorphism    • dinoflagellate    • diploblastic    • diplodocus    • Diptera    • dormancy    • drone    • Drosophila    • echinoderm    • Echiuroidea    • ectotherm    • edentate    • endoskeleton    • entomology    • Entoprocta    • Eutheria    • exoskeleton    • feather    • fish    • flatworm    • gill    • gorilla    • helminth    • hemichordata    • hemocoel    • herbivore    • hermaphrodite    • hibernation    • homeotherm    • hookworm    • horn    • host    • humpback whales and their songs    • Hydra    • ice worm    • insect    • invertebrate    • jellyfish    • kinesis    • larva    • lateral line    • lungfish    • mammal    • marsupial    • medusa    • mesoglea    • metazoan    • mollusc    • molting    • monkey    • myriapod    • nekton    • nematode    • nictitating membrane    • ocellus    • octopus eye    • oogonium    • Osteichthyes    • oviparous animal    • Paedocypris    • parasite    • parenchyma    • parthenogenesis    • Photocorynus spiniceps    • plankton    • plumule    • poikilotherm    • polyp    • primate    • prosimian    • protozoan    • pupa    • radiolarian    • radula    • ratite    • regeneration    • reptile    • sagittal crest    • scales    • Schindleria brevipinguis    • sea anemone    • sea cucumber    • sea fan    • sea pen    • sea urchin    • sessile    • sperm whale    • spicule    • sponge    • swim bladder    • tapeworm    • tentacles    • tetrapod    • threadworm    • tripoblastic    • tube feet    • Urodela (newts and salamaders)    • vertebrate    • whale shark    • zoology    • zooplankton Related categories    • BOTANY    • MICROBIOLOGY    • PALEONTOLOGY Related supercategory    • BIOLOGY AND BIOCHEMISTRY Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP