Term
| what are the roles of sponges |
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Definition
- interact w/ other animals
- other animals live in on and under sponges food sources
- contain bacteria and protist that provide oxygen and remove waste
- they provide humans cleaning sources, bathing sources, drugs, fugi, and help w/ arthritis
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Term
| How long ago did sponges appear in earth |
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Definition
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Term
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Definition
| sponges are attached to one place for their lifetime |
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Term
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Definition
most are asymmetrical but some are radial |
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Term
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Definition
| smaller than a marble to larger than a car |
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Term
True/false Sponges can make food |
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Definition
| False, sponges cannot make their own food thats why they're animals |
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Term
True/false spicules are dull structures that don't provide protection |
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Definition
| false, spicules are sharp pointed structures that DO provide protection |
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Term
| What's the purpose of mantle in a mollusk? |
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Definition
| covers and protects the mollusk |
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Term
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Definition
| animals that produces egg and sperm in the same body |
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Term
| What type of reproducers are sponges |
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Definition
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Term
| What are the characteristics of mollusk |
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Definition
- invetebrates
- soft-bodies
- bilateral symmetry
- usually shelled
- most live in water
- over 110,000 species named
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Term
True/false gills echange CO2 for oxygen while in water |
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Definition
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Term
True/false the fake foot is used for movement |
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Definition
False the musular foot is used for movement |
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