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The Oceans (7th)
All about the oceans for 7th Grade students.
| Question | Answer |
|---|---|
| The mass of mostly microscopic organisms that float or drift freely in freshwater and marine enviroments. | Plankton |
| The place where the ocean meets the land. | Intertidal Zone |
| The part of the ocean floor that begins to slope down. | Neritic Zone |
| This zone causes the sea floor to drop sharply. | Oceanic Zone |
| The ocean floor. Some parts are deep and get little to no sunlight. | The Benthic Zone |
| Reefs that are found in warm shallow areas of the Neritic zone that are made up of corals. | Coral Reef |
| An area where fresh water from rivers mixes with salt water from the ocean. | Estuary |
| An ecosystem that contains floating rafts of algae called sargassums. | Sargasso Sea |
| The Arctic ocean and the ocean around Antarctica make up this marine system. Also made up of rich nutrients and supports animals. | Polar Ice |
| When each stream of water that joins a larger stream. | Tributary |
| The area of water that is closest to the edge of a lake or pond. | Littoral Zone |
| The area of a lake or pond that extends from the littoral zone across the top of the water. | Open water zone |
| Beneath the open-water zone where no sunlight reaches. | Deep water zone |
| An area of land that is sometimes underwater and whose soil contains a great deal of moisture. | Wetland |
| A treeless ecosystem where plants, such as grasses grow. | Marsh |
| A wetland ecosystem in which trees and vines grow. | Swamp |
Created by:
MrsWright5
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