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Module 3 Vocabulary
Marine Biology Mod 3 Vocab: The First Four Kingdoms
| Question | Answer |
|---|---|
| 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 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 | A cell that has chromosomes which come in pairs |
| Haploid | 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 |