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Kingdom Study 3

adaptation structures or behaviors that allow animals to perform these basic functions in their environments
fertilization a new organism begins to form when egg and sperm join
vertebrate Organism with a backbone
invertebrate organism without a backbone
Bilateral symmetry one line that divides into halves; mirror images
Radial symmetry many lines of symmetry that all go through one center point
larva immature form of an animal that looks very different from the adult
cnidarian invertebrates that have stinging cells, and take food into a central body cavity
polyp vase-shaped body plan
medusa bowl-shaped body plan
parasite organisms that live inside or on another organism
host living organism that provides a source of energy for a virus/organism
scavenger feed on dead/decaying material
closed circulatory system blood moves only within a connected network of tubes called blood vessels
mollusk invertebrate with a soft, unsegmented body; most protected by a hard outer shell
open circulatory system circulatory system where the heart pumps blood into open spaces in the body & blood is not confined to blood vessels
gill organ that removes oxygen from water
gastropod mollusk with a single shell or no shell
cephalopod ocean-dwelling mollusk whose foot is adapted as tentacles that surround its mouth
bivalve mollusk that has 2 shells held together by hinges and strong muscles
herbivore plant eating organism
carnivore meat eating organism
omnivore consumer that eats both plants and animals
radula flexible ribbon of tiny teeth in mollusks
arthrodpod invertebrate that has external skeleton a segmented body, and joined appendages
exoseleton waxy,waterproof outer shell or outer skeleton that protects the animal and helps prevent evaporation of water
molting process of shedding an outgrown exoskeleton
crustacean arthropod that has two or three body sections, five or more pairs of legs, and two pairs of antennae
complete metamorphosis type of metamorphosis characterized by four dramatically different stages
gradual metamorphosis type of metamorphosis in which an egg hatches into a nymph that resembles an adult, and which has no distinctly different larval stage
arachnid an arthropod with two body sections, four pairs of legs, and no antennae
insect arthropod with three body sections, six legs, one pair of antennae, and usually one or two pairs of wings
thorax arthropod's midsection, to which its wings and legs are attached
pupa the third stage of complete metamorphosis, in which insect changes from a larva to an adult
nymph stage of gradual metamorphosis that usually resembles the adult insect
echinoderm radically symmetrical invertebrate that lives on the ocean floor and has an internal skeleton and a water vascular system
endoskeleton internal skeleton
water vascular system system of fluid-filled tubes in an echinoderms body
Created by: ReignsGirl