Term
| Basic characteristics of Animals |
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Definition
Multicellular organisms - eukaryotic
Capable of locomotion
Must ingest food - heterotrophic |
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Term
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Definition
8 phyla
All lack internal skeleton, some have exoskeleton or shell |
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Term
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Definition
1 phylum
Internal skeleton made of bone cartilage |
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Term
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Definition
Simplest animals
No tissue layers
Ex: Sponges |
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Term
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Definition
Hollow body
Have stinging cells - cnidocyts
2 body forms - medusa & polyp
Ex: coral, jellyfish, seaanemone |
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Term
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Definition
Unsegmented worms
Flat worms
Ex: planaria, fluke, tapeworm |
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Term
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Definition
Unsegmented worms
Round worms
Ex: hookworms, heartworms |
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Term
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Definition
Segmented worms
Most advanced worms
Ex: leech, earthworms |
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Term
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Definition
Segmented animals
Exoskeletons made of chitin
Class - crustacean - marine organisms
Ex: shrimp, lobster, crab, barnacle |
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Term
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Definition
Some have shell
Unsegmented, soft bodies
Ex: snail, clams, scallop |
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Term
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Definition
Have a dermal skeleton with spines and plates
Only live in marine environments
Ex: sea urchin, sea star, brittlestar |
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Term
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Definition
Have internal skeleton
Backbone to protect spinal cord
Ex: fish, reptiles, birds, amphibians, mammals |
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