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Bacteria

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QuestionAnswer
homeostasis The condition in which an organisms internal environment is kept stable in spite of changes in external environment
adaptaion An inherited behavior or physical characteristic that helps an organism survive and reproduce in its environment
vertebrate an animal with a back bone
invertebrate An animal without a back bone
tissue A group of similar cells that perform specific function
organ A body structure that is composed of different kinds of tissues that work together
radial symmetry A body plan in which any number of imaginary lines that all pass through a central point divide the animal into two mirror images
bilateral symmetry A body plan in which a single imaginary line divides the body into left and right sides that are mirror images of each other
cnidarian a radially symmetrical invertebrate that uses stinging cells to capture food and defend itself
mollusk an invertebrate with a soft unsegmented body most are protected by hard outer shell
artropod an invertebrate that has an external skeleton a segmented body and jointed appendages
exoskeleton External skeleton a tough waterproof outer covering that protects supports and helps prevent evaporation of water from the body of many invertebrates
echinoderm A radially symmetrical marine invertebrate that has internal skeleton and system of fluid-filled tubes
endoskeleton An internal skeleton skeleton structural support system whiten the body of and animal
chordate An animal that has a notochord a nerve cord and throat pouches at some point in its life
notochord
vertebra
ectotherm
endotherm
fish
cartilage
amphibian
reptile
bird
mammal
mammary gland
monotreme
marsupial
placental mammal
placenta
Created by: user-1975341
 

 



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