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25 Cards in this Set
- Front
- Back
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hollow ball of cells
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blastula
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cell division
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cleavage
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cup shaped embryo
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gastrula
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fully lined body cavity that is hollow
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coelom
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process by which cells differentiate into different tissues
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differentiation
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animal where blastophore develops into mouth
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protostome
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animal where blastophore develops into an anus
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deutorostome
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skeletal system where muscles are surrounded and supported by a water filled cavity
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hydrostatic
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no particular body arrangement
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assymetrical
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all parts radiate from a central area
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radial
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parts arranged in 2 mirror image sets
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bilateral
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animal with both male and female reproductive parts
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hermoprodite
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repeating segments of an organism, example is earthworms
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segmentation
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rear end of bilateral animal
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posterior
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ability to move
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motile
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organisms primarily attatched to one area
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sessile
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possessing a backbone
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vertebrate
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having no backbone
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invertebrate
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top surface of radial organisms
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dorsal
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bottom surface of radial organisms
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ventral
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four animal kingdoms charecteristics
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multicellular, motile, heterotrophic, eukaryotic
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what is responsible for support and movement?
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skeletal system
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what does the digestive system do?
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intake and absorption of food for energy
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what is formed from the ectoderm?
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skin
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what is formed from the mesoderm?
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muscles
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