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Module 3 Vocab
Apologia Marine Biology
| Term | Definition |
|---|---|
| bacteria | prokaryotic, single-celled-microscopic organism |
| 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 organisms 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 | a cell that has chromosomes which come in pairs |
| haploid cell | 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 |