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| Phylum Porifera contains the subcategories: |
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| The common name for the organisms that comprise Phylum Porifera is |
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| What is the symmetry of Phylum Porifera? |
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| True or false: Phylum Porifera has true tissues. |
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| False: Phylum Porifera does not have true tissues. |
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| What is the name for members of Phylum Porifera according to how they get food. |
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| What structure do filter feeders contain? |
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| Flagellated feeding cells. |
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| What structure does water exit through in filter feeders? |
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| What structures of Phylum Porifera are used to deter predators and provide structural support? |
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| What are spicules composed of? |
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| CaCO3, silica and/or protein. |
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| What is the protein that composes spicules made of? |
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| What are two examples of organisms within Phylum Porifera? |
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| What is the symmetry of Phylum Cnidaria? |
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| What stages does Phylum Cnidaria have? |
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Definition
| Medusa and/or polyp stages |
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| Phylum Cnidaria has two what? |
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| What does Phylum Cnidaria use for digestion and circulation? |
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| What does Phylum Cnidaria use for protection? |
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Definition
| Specialized stinging cells |
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| What are Phylum Cnidaria's specialized stinging cells called? |
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Definition
| Specialized stinging cells |
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| How do organisms of Phylum Cnidaria sense stimuli? |
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| What is an example of a Cnidarian? |
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| What are the two stages of Obelia? |
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| What are the two forms of Phylum Cnidaria |
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| What are examples of the solitary forms of Phylum Cnidaria |
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Definition
| Hydra, Jellyfish, Sea Anemones |
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| What are examples of the colonial forms of Phylum Cnidaria? |
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Definition
- Portugese man-o-war
- Hydroid colonies
- Sea fans, sea whips
- Sea pansies, sea pens
- Corals |
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| The polyp stage of obelia is characterized by... |
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| _______ polyps have _____________ and ________________ polyps have _____________________ |
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Definition
| Feeding polyps have tentacles and reproductive polyps have medusa buds |
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| Feeding and reproductive polyps (picture) |
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| Life cycle of Medusa (picture) |
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| What forms the polyp in the life cycle of medusa? |
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