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Stack #73696
Flora - Oceanwater & Ocean Life Vocabulary Study Guide Stack
| Question | Answer |
|---|---|
| organisms that can move independently of ocean currents by swimming or other means of propulsion (squid, most adult fish, marine mammals, marine reptiles) | nekton |
| the proportion of dissolved salts to pure water, usually expressed in parts per thousand | salinity |
| the process by which certain microorganisms use chemical energy to produce food | chemosynthesis |
| forms of marine life that live on or in the ocean bottom (crabs, sea stars) | benthos |
| organisms that drift with ocean currents (microscopic algae, jellyfish) | plankton |
| the process by which plants and algae use sunlight energy to convert water and carbon dioxide into energy-rich glucose molecules | photosynthesis |
| a layer of water in which there is a rapid change in temperature with depth | thermocline |
| algal plankton, the most important community of primary producers in the ocean | phytoplankton |
| a crack in the deep ocean floor through which chemicals are released which become food for bacteria (black smokers) | hydrothermal vents |
| the upper part of the ocean into which sunlight penetrates | photic zone |
| mass per unit volume, usually expressed as grams per cubic centimeter | density |
| animal plankton | zooplankton |
Created by:
sflora
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