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Definition
inner wall created in bad conditions
- outside cell dies |
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| archae; extremophile - extremely hot conditions |
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| extremophiles; extremely salty conditions |
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| strict anaerobes; swamp gas |
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| eukaryotic photosynthetic organisms responsible for 1/2 ocean's primary productivity |
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Definition
| heterotrophic/photosynthetic deending on what's available |
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| 2 purposes of cytoskeleton |
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Definition
1. alllow cells to change shape - important because efficient predators
2. allows for movememt |
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Term
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Definition
1. most animals digest food after ignesting
2. specialized cells org into tissues, muscles, nerve
3. sexual reproduction and 2n stage dominates life cycle
4. most fertilization occurs w/ sperm and large non-motile egg
5. similar stages of development after fertilization
6. at least 1 larval stage |
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Definition
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| after blastula invaginates |
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action of folding in on oneself
- gives rise to endoderm and ectoderm |
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Definition
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Definition
| pouch - eventually become intestinal tract |
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| 2 symmetry ? in body plan |
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Definition
radial - top and bottom but no left or right
bilateral - top and bottom, left right |
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| germ layer; outer covering of animal |
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| lines digestive tube or archenteron |
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Definition
animals / 2 germ layers
ex) cnidarians (jellies and corals) |
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Definition
animals w/ all 3 germ layers
- include all bilaterally symmeterical animals |
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Definition
cell division lines don't line up w/ each other
- cell fate determined quickly |
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| radial/indeterminate cleavage |
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