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10 Cards in this Set
- Front
- Back
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What symmetry and body plan does the phylum porifera follow? |
-assymetrical - no digestive organs so no bodyl pplan |
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How does the phylum porifera obtain nutrition and remove waste? |
-collar cells, amoeboid cells and microvilli use for digestion -collar cells: cause water to filter through sponge -microvilli: absorb microscopic nutrients -amoeboid cells: complete digestion - excretion: water is let out of the osculum |
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What does the nervous system and movement of the phylum porifera look like? |
-nervous system is non existent -movement is sessile, meaning they are non motile |
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How do phylum porifera respire? |
-done at the cellular level |
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How do phylum porifera reproduce? |
- asexually through the regeneration of cell -sexually when eggs and sperms are produced by amoeboid cells |
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What are some examples of Phylum Porifera? |
-sponges |
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What symmetry and body plan does the phylum cnideria follow? |
- radial symmetry -sac body plan (mouth =anus) |
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How does phylum cnideria obtain nutrition and remove waste? |
-through gastrovascular cavity, gesture dermal cells break down nutrients that enter the cavity - wastes leave through the mouth/anus |
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What does the nervous system and movement of the phylum cnideria look like? |
-simple nerve net -motile in medusa stage, non motile in polyp stage |
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How do phylum cnideria respire? |
- at cellular level |
