Term
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Definition
| group of cells with common function, structure, or both |
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Term
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Definition
| rapid cell division after fertilization |
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Term
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Definition
| multicellular hollow ball of cells |
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Term
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Definition
| formation of a gastrula with different layers of embryonic tissue |
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Term
| Characteristics ONLY found in animals |
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Definition
| nervous and muscle tissue |
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Term
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Definition
| sexually immature and morphologically different (looks different from adults) |
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Term
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Definition
| resemble adults but NOT sexually mature (pre-teen bug) |
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Term
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Definition
regulate development of body form
*ONLY IN ANIMALS* |
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Term
| What do hox genes control? |
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Definition
| development of embryo, larva to adult, differentiation of tissue(germ layers) |
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Term
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Definition
| protists that are closest living relatives of animals |
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Term
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Definition
| no front/back or left/right |
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Term
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Definition
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Term
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Definition
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Term
| What are the 3 germ layers? |
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Definition
| ectoderm, endoderm, and mesodern |
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Term
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Definition
cover embryo surface
will become skin/nervous tissue |
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Term
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Definition
innermost layer
lining of digestive tract
digestive system
respiratory system |
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Term
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Definition
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Term
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Definition
Only 2 germ layers-ectoderm and endoderm
-cnidarians |
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Term
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Definition
3 germs layers-ectoderm, endoderm, and mesoderm
-ALL BILATERL |
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Term
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Definition
| Will/can be muscle, bone, cartilage, reproductive system, and circulatory system |
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Term
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Definition
| true body cavity WITH mesoderm |
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Term
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Definition
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Term
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Definition
| body cavity derived from mesoderm and endoderm |
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Term
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Definition
| triploblastic animals that LACK body cavity |
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Term
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Definition
cleavage is spiral and determinant (function already determined)
-mouth develops first |
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Term
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Definition
cleavage is radial and indeterminate
-anus develops first |
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Term
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Definition
formed during gastrulation
-connects digestive tube to exterior of gastrula |
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Term
| Which group has true tissues? |
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Definition
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Term
| Which group does chordates belong to? |
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Definition
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