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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 |