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|Noun||1.||zoological science - the branch of biology that studies animals|
siphon, syphon - a tubular organ in an aquatic animal (especially in mollusks) through which water can be taken in or expelled
hood - (zoology) an expandable part or marking that resembles a hood on the head or neck of an animal
plastron - (zoology) the part of a turtle's shell forming its underside
collar - (zoology) an encircling band or marking around the neck of any animal
protective coloration - coloration making an organism less visible or attractive to predators
pallium, mantle - (zoology) a protective layer of epidermis in mollusks or brachiopods that secretes a substance forming the shell
cloaca - (zoology) the cavity (in birds, reptiles, amphibians, most fish, and monotremes but not mammals) at the end of the digestive tract into which the intestinal, genital, and urinary tracts open
ethology - the branch of zoology that studies the behavior of animals in their natural habitats
herpetology - the branch of zoology concerned with reptiles and amphibians
ichthyology - the branch of zoology that studies fishes
malacology - the branch of zoology that studies the structure and behavior of mollusks
mammalogy - the branch of zoology that studies mammals
oology - the branch of zoology that studies eggs (especially birds' eggs and their size, shape, coloration, and number)
ornithology - the branch of zoology that studies birds
protozoology - the branch of zoology that studies protozoans
natural scientist, naturalist - a biologist knowledgeable about natural history (especially botany and zoology)
aestivation, estivation - (zoology) cessation or slowing of activity during the summer; especially slowing of metabolism in some animals during a hot or dry period
vagile - having freedom to move about; "vagile aquatic animals"
univalve - used of mollusks, especially gastropods, as snails etc.
vertebrate - having a backbone or spinal column; "fishes and amphibians and reptiles and birds and mammals are verbetrate animals"
invertebrate, spineless - lacking a backbone or spinal column; "worms are an example of invertebrate animals"
oviparous - egg-laying
ovoviviparous - producing living young from eggs that hatch within the body
warm-blooded - having warm blood (in animals whose body temperature is internally regulated)
cold-blooded - having cold blood (in animals whose body temperature is not internally regulated)
alular - pertaining to alulae
ambulacral - pertaining to the ambulacra of radial echinoderms
anguine - of or related to or resembling a snake
annelid, annelidan - relating to or belonging to or characteristic of any worms of the phylum Annelida
anserine - of or resembling a goose
arachnidian, arachnoid, spiderlike, spiderly, spidery - relating to or resembling a member of the class Arachnida
artiodactyl, artiodactylous, even-toed - of or relating to or belonging to mammals of the order Artiodactyla
avian - pertaining to or characteristic of birds
canine - of or relating to or characteristic of members of the family Canidae
carangid - of or relating to fish of the family Carangidae
filariid - of or relating to or belonging to the family Filariidae