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studysatack #3

adaptation a behavior or physical characteristic that allows an organism to survive
fertilization the joining of a sperm and a egg
vertebrate the small bones that make up the back
invertebrate an animal that does not have a back bone
bilateral symmetry body plan with two halves that are mirror images
radial symmetry the quality of having having many lines that pass through the central point
larva the immature form of a animal that looks very diffrent form the parent
cnidarian an invertebrate animal that uses stinging cells to capture food and portect itself
polyp the cnidarian body plan is characterized by a vaselike shape and that usally adapted for a life attached to an underwater surface
medusa the cnidarian body plan having a bowl shape and adapted for a free-swimming life
parasite the organism that benefits by living on or in a host
host the organism that a that a parasite or a virus lives in or on
scavenger a organism the has to go and find its own food
closed circulatory system a system where blood is pumped by a heart through the vessels
mollusk soft body invertebrate usually in a shell
open circulatory system a system where blood is pumped by a heart into the body cavities
gill a part on a fish used for obtaining oxygen
gastropod The largest, most diverse phylum of mollusks
cephalopod the phylum of mollusks with bilateral symmetry such as an octopus
bivalve a mollusk with two shells
herbivore a organism that never eats meat
carnivore a organism that only eats meat
omnivore a organism that eats both veggies and meat
radula tiny teeth that help obtain food
arthrodpod an invertebrate with an exoskeleton and a segmented body
exoseleton a skelton on the outside
molting the shedding of a out grown exoskelton
crustacean a large group of arthropods with and exoskeleton such as a lobster
complete metamorphosis is like a butter fly growing up
gradual metamorphosis like a grass hopper growing up
arachnid a class of joint-legged invertebrates
insect a class of invertebrates within the arthropod phylum with three pairs of jointed legs
thorax An arthropods mid section where its wings and legs are attached
pupa the stage where the butter fly is in the cacoon
nymph an immature form of an animal
echinoderm invertebrates with spiny skin
endoskeleton a skelton on the inside
water vascular system a system used by echinoderms
Created by: kasey.crossley