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Chapter 2-5 Science
6th Grade Study Cards
| Term | Definition |
|---|---|
| Freshwater Ecosystem | ______________________ Ecosystems provide habitats for an amazing variety of organisms, from microscopic algae to huge bears. |
| Streams and rivers | In freshwater ecosystems _______ and ____________ flow too fast for algae or plants to grow. Instead first-level consumers rely on leaves and seeds that fall into the streams. |
| algae and plants | Ponds and lakes have ___________ and _________ that provide energy for the organisms. |
| water--water flow sunlight oxygen | Name two abiotic factors that affect organisms in a stream |
| Estuary | An ________________ is found where the fresh water of a river meets the salt water of the ocean |
| breeding grounds | Estuaries are often _____________ ___________ for organisms. |
| intertidal zone | The area between the highest high-tide line and the lowest low-tide line. Organisms here must be able to survive the temperature and the water changes that take place. Ex: Barnacles, sea stars, clams and crabs. |
| Neritic zone | Below the low-tide line, a region of shallow water extends out of the continental shelf. |
| photosynthesis | Because sunlight passes through the shallow water of the neritic zone, _________________ occurs. This zone is particularly rich in living things |
| coral reefs, school of fish, and sardines | In the nerititic zone you would find _____________________, ____________, and _______. |
Created by:
dsimmons
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