Download
slide1 n.
Skip this Video
Loading SlideShow in 5 Seconds..
Coral PowerPoint Presentation

Coral

139 Views Download Presentation
Download Presentation

Coral

- - - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript

  1. Coral • Water temperature must be at least 25 degrees Celsius to survive!!! • The Great Barrier Reef in Australia can be seen from outer space! • The remains of billions of individual creatures! • Some coral reefs are 300 metres thick • Some coral reefs are 25000 years old!

  2. Cnidocyte with the Nematocyst

  3. OUCH!

  4. Stings from a Portuguese Man-of-War

  5. Videos • http://channel.nationalgeographic.com/series/explorer/3092/Overview#tab-Overview • http://www.youtube.com/watch?v=Dm98n3908QM sessile? • http://www.youtube.com/watch?v=WQLfsHMc6jQ reproduction • http://www.youtube.com/watch?v=eyCigZ_bsTM