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studysatack #3

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