Flashcards: Marine Bio - Mod 3
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Created by:
b7fivearrows on October 25, 2010
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Vocab for Module #3 in Exploring Creation with Marine Biology by Sherri Seligson
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Terms | Definitions |
|---|---|
 Bacteria | Prokaryotic, single-celled, microscopic organisms |
| Decomposers | Organisms that break down dead organic matter into smaller molecules |
| Chemosynthesis | the making of organic material from inorganic substances using chemical energy |
| Phytoplankton | Photosynthetic organsims that drift in the water |
| Zooplankton | tiny floating organisms that are either small animals or protozoa |
| Thallus | the complete body of an alga, not differentiated into true leaves, stems, or roots |
| Diploid cell (2n) | a cell that has chromosomes which come in pairs |
| Haploid cell (1n) | a cell that contains half the normal number of chromosomes (one from each pair) |
| Alternation of generations | a life cycle that alternates between a sexual stage (gametophyte) and an asexual stage (sporophyte) |
| Symbiosis | a close relationship between two species where at least one benefits |
| Lichen | an organism that results from the symbiosis between a fungus and an alga |
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