> English > Climate Encyclopaedia > Oceans > basics > 2. Oceanic nutrients > * Worksheet 1
|
|
 |
The Oceans
Basics |
2. Oceanic nutrients
Worksheet 1:
Quiz on phytoplankton & nutrients
|
Once you have read the scientific text "Oceanic Nutrients -phytoplankton and nutrients" have a go answering the following questions.
|
 |
|
|
Photosynthesis.
Author: Lucinda Spokes.
|
|
|
|
Click the GREEN button, if you think that the answer is correct and the RED button, if you think that the statement is wrong.
|
1. Phytoplankton are single celled plants which live in the surface waters of the oceans.
|
|
|
2. Phytoplankton are single celled plants which live on the ocean floor.
|
|
|
3. Phytoplankton use sunlight, oxygen (O2) and water for photosynthesis.
|
|
|
4. Phytoplankton use moonlight, carbon dioxide (CO2) and water for photosynthesis.
|
|
|
5. Phytoplankton use sunlight, carbon dioxide (CO2) and water for photosynthesis.
|
|
|
6. Phytoplankton make organic compounds during photosynthesis.
|
|
|
7. Photosynthesis produces carbon dioxide as a waste product.
|
|
|
8. Photosynthesis takes place at all depths in the ocean.
|
|
|
9. Photosynthesis takes place only in surface waters.
|
|
|
10. Phytoplankton also need a wide variety of nutrients to grow. The two critical nutrients are nitrogen and phosphorus.
|
|
|
About this page:
author: Dr. Yvonne Schleicher - University of Nürnberg, Germany
scientific reviewing: Dr. Lucinda Spokes - School of Environmental Sciences, University of East Anglia, Norwich, U.K.
educational reviewing: Prof. Dr. Helmut Schrettenbrunner and Julia Heres - University of Nürnberg, Germany
last update: 2003-11-07
|
