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anatomy 1

TermDefinition
what are the 7 characteristics of animals? multicellular, no cell walls, embryonic development, nervous and muscle tissue, diploid, heterotrophs, motile
what are the 3 types of body symmettry? radial, bilateral, asymmetrical
asymmetry animals sponges
radial symmetry animals cnidarians
blastula a hollow ball produced by a fertilized egg dividing
gastrula when cells migrate inward
blastopore opening of the gastrula
what are the 3 germ layers? ectoderm, mesoderm, endoderm
ectoderm produces what skin and nervous system
endoderm produces what lining of the gut and gut organs
mesoderm produces what muscles, connective tissue, kidneys, reproductive organs
aceoelomate no body cavity
pseudocoelomate fake body cavity between meso and endo
coelomate body cavity within the mesoderm
sac like gut has one opening
complete gut has 2 openings
Created by: Basically_Jess