1. What do organisms require for growth
2. What happens to nutrients which are never lost from ecosystem
3. Which of the following processes does not contribute to the carbon cycle
4. Which of the following is a potential consequence of increased carbon dioxide in the atmosphere
5. Which of the following activities is not a source of carbon emission
6. What is the main process by which carbon is removed from atmosphere
7. Which part of the flower makes pollen?
8. What is the main work of petals
9. The movement of nutrients through the various components of an ecosystem is known as ____
10. The nutrient cycle can as well be called ___
11. ___ is the process which involves the breakdown of dead organic matter into simpler substances
12. Which process involves the conversion of nitrogen compounds into nitrogen gas and it's back into the atmosphere
13. The process that involves the release of water vapor from plant leaves is called ____
14. ____ is the transfer of pollen grains from the anther to the stigma of a flowering plant
15. Which of the following ecological organization include all the living organisms in an area
16. What are the biotic factors in an ecosystem
17. What is the primary source of energy for most ecosystems?
18. A habitat foind in/on trees is called ___
20. Which of the following is an arboreal habitat
1a. Draw and label the diagram of a flower
2a. What is nutrient cycling?
