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Mbio Module 13
| Question | Answer |
|---|---|
| Epipelagic zone | The area of the water column that extends from the surface down to about 200 m (650 ft) |
| Holoplankton | Species of zooplankton that spend their entire lives as plankton |
| Meroplankton | Species of zooplankton that spend only part of their lives as members of the plankton community |
| Neuston | Planktonic organisms living at the sea surface |
| Vertical migration | Daily movement of small marine animals between the photic zone and lower depths |
| Dissolved organic matter (DOM) | Organic material dissolved in ocean water |
| Microbial loop | The flow of energy in the epipelagic beginning with the phytoplankton, dissolved organic matter, and the smallest zooplankton, making energy available to the major food web. |
| Upwelling | The process that carries older, nutrient-rich water upward to a more shallow depth |