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Module 3 Vocabulary

Marine Biology Mod 3 Vocab: The First Four Kingdoms

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
Created by: mrpicard