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20 Cards in this Set
- Front
- Back
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Invertebrates |
Animals without a backbone |
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Vertebrates |
Animals with a backbone |
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Asymmetrical |
No particular symmetry |
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Radical |
Two identical halves no matter how the animal is divided longitudinally |
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Bilateral |
Definite right and left halves |
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Filter feeders |
Filter organisms out of water |
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Detritus feeders |
Feed on decaying plant and animals materials |
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Sessile |
Spend their life attached to something |
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Motile |
Can move around free-living |
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Sedentary |
Can move but remains in one spot often |
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What types of digestive system do cnidarian have |
Mouth-anus |
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Are polyps motile or sessile |
Sessile |
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Are medusas motile or polyps |
Motile |
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What eyespots do |
Help detect light/dark spots |
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How do polyps reproduce |
Asexually |
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How do medusas reproduce |
Sexually |
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Where are sponges mostly found |
In marine life |
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What do amoebocytes transport |
Food particles |
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What is the inside layer of an cnidarian called |
Endoderm |
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What is the outside layer of a cnidarian |
Ectoderm |
