Term
1.
Ctenophora - Comb Jelly's |
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Definition
| Have Radial or Biradial symmetry; Nerve Net |
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Term
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Definition
| No Symmetry tissues or organs |
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Term
| 3. Cnidaria - Jellyfish; Coral Builders |
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Definition
| Radial symmetry, epithelium, saclike gut, nerve net and muscle |
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Term
| 4. Platyhelminthes - Flatworms |
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Definition
Simplest organism with Bilateral
1st with organs, cephalization and bilateral nerve cord |
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Term
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Definition
1st with tube type digestive system
-pinworms and heart worms |
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Term
| 6. Mollusca - clams, squids, octopi |
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Definition
| 1st with advanced body cavity |
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Term
| 7. Annelida - earthworms, leeches |
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Definition
| 1st with segmentation and closed circulatory system |
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Term
| 8. Arthropods - spiders, insects |
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Definition
Greatest number in a spp
Hard exoskeleton, jointed appendages, separate feeding and reproductive |
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Term
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Definition
-Have notochord, nerve cord, pharynx and tail
-includes two invert classes - tunicate and lancelets |
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Term
| 10. Vertebrates - chordates with backbone and encased brain |
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Definition
1.Evolution of more ridgid backbone
2.NS localized more in the brain and spinal cord
3.Increased efficiency of respiratory and circulatory systems
4.increased specialization of extremities into limbs |
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Term
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Definition
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Term
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Definition
| Cartilaginous fish (sharks and rays) |
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Term
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Definition
| Bony fishes; most numerous and diverse vertrates |
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Term
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Definition
| amphibians; arose from fish |
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Term
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Definition
arose from amphibians;
first to not be dependent on standing water
-Cerebral cortex first evolved |
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Term
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Definition
Birds
Arose from Dinosaurs
Only verts with feathers |
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Term
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Definition
Evolved from reptiles
Only verts with hair and mammary glands |
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