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Did you read the scientific text “Oceanic Nutrients” – Phytoplankton and Nutrients in the oceans?
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Phytoplankton and nutrients in the oceans, author: Lucinda Spokes
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Letīs test, if you got the message:
Click the GREEN button, if you think that the answer is correct and the RED button, if you think that the statement is wrong.
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1. Phytoplankton are single celled plants which live in the surface waters of the oceans.
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2. Phytoplankton are single celled plants which live on the ocean floor.
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3. Phytoplankton use sunlight, oxygen (O2) and water for photosynthesis.
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4. Phytoplankton use moonlight, carbon dioxide (CO2) and water for photosynthesis.
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5. Phytoplankton use sunlight, carbon dioxide (CO2) and water for photosynthesis.
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6. Phytoplankton make organic compounds during photosynthesis.
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7. Photosynthesis produces carbon dioxide as a waste product.
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8. Photosynthesis takes place at all depths in the ocean.
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9. Photosynthesis takes place only in surface waters.
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10. Phytoplankton also need a wide variety of nutrients to grow. The two critical nutrients are nitrogen and phosphorus.
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About this page:
- Author: - Dr. Schleicher - University of Nürnberg - Germany
- scientific reviewing: Lucinda Spokes
- educational reviewing: Dr. Schrettenbrunner / J. Heres
- last update: 07.11.03
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