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chapter 1-2-3-4

chapter 1-2

QuestionAnswer
homeostasis the condition in which an organisms internal envoirment is kept stable
adaptation an inherited behavoir or physical feature changed for helping the animal
vertebrate the bones that make up the back bone
invertebrate a organism without a backbone
tissue a group of similar cells used to perform a function
organ a body structure that is composed of different kinds of tissues that work together
radial symmerty a body plan in which any number of imaginy lines all pass through to split it in equal halfs
bilaterail symmerty a organism with one line of symmerty
cnidarian
mollusk
arthropod
exoskeleton
echinoderm
endoskeleton
chordate
notochord
vertebra
ectotherm
endotherm
Created by: timmygabriel