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Bioluminescence
Bioluminescence occurs when organisms convert chemical energy into visible light. This happens when a chemical reaction involving oxygen and two other molecules takes place. During this reaction, light of varying colors may be emitted. The great majority of organisms that use bioluminescence are found deep in the oceans depths. This ability to produce light serves a variety of functions. Organisms may use it to do anything from escape their predators
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| Post dates | Users | rates | Contents |
|---|---|---|---|
| 2013-11-08 | Pinky123 | 85.00 | Check this speaking |
| 2016-03-03 | saramhl | 90.00 | Check this speaking |
| 2014-04-14 | Ekhlass1980 | 80.00 | Check this speaking |
| 2014-04-14 | Ekhlass1980 | 80.00 | Check this speaking |
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- question 5 90
- Some people prefer to have one long vacation. Other people prefer to have several short vacations. Which do you prefer? Use specific reasons and examples to support your answer. 85
- question 3 85
- Speaking topic in text: Using the examples of the Venus flytrap and the sundew, describe two ways that carnivorous plants get their nutrients. 85
- Some people think it is more fun to spend time with friends in restaurants or caf s Others think it is more fun to spend time with friends at home Which do you think is better Explain why 72
26 in 30
The second example is short.