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Cnidarians Invertebrates that have stinging cells and take food into a central body cavity
mollusks have thin layer of tissue called a mantle that covers their internal organs and an organ called a foot
arthropods invertebrates that have hard outer covering
exoskeleton is shed and replaces as the animal grows
echinoderm is an invertebrate that has an internal skeleton and system of fluid-filled tubes
endoskeleton have radial symmetry
chordates have three characteristics
notochord is a flexible rod that supports a chordate's back
vertebrates has a hole in it from a tunnel that bundle of nerve tissue
ectotherm body temperature changes with temperature changes in it's environment
endotherm is an animal that controls the internal heart
Created by: kcordonacevedo