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12 Cards in this Set
- Front
- Back
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Animal |
Multicellular, heterotrophic eukaryote with tissue that develop from embryonic layers. |
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Cleavage |
Cell division without cell growth. |
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Cambrian Explosion |
Sudden appearance of major groups of animals. |
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Tissues |
Collection of specialized cells isolated from each other by membranous layers. |
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Diploblastic/ Triploblastic |
- Diploblastic- 2 tissue layers
- Triploblastic- 3 tissue layers - sometimes referred to as germ layer |
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Acoelomate |
Lacks a cell wall |
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Pseudocoelomate |
Have a body cavity |
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3 skin layers |
1. Endoderm 2. Mesoderm 3. Ectoderm |
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Deuterosomes |
Mouth second development
Cleavage is radial and intermediate. |
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Protosomes |
Mouth first development
Cleavage is spiraled and determinate. |
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Animal Phyla |
1. Choanoflagelates 2. Porifera 3. Cnidaria 4. Ctenophora 5. Deuterosomes 6. Lophotrochozoans 7. Ecdysozoans |
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Cnidaria Classes |
1. Hydrozoa 2. Sephozoa 3. Cubozoa 4. Anthozoa |
