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

Speaking topics in text

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 bio-luminescence 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 to find food.

Online speaking recording
Votes
Average: 8 (2 votes)
This speaking topic by users
Post dates Users rates Contents
2016-03-03 saramhl 90.00 Check this speaking
2014-04-14 Ekhlass1980 80.00 Check this speaking
2013-11-08 Pinky123 85.00 Check this speaking
2014-04-14 Ekhlass1980 80.00 Check this speaking
Speaking category

Comments