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How do marine organisms use light?. Light penetration in the photic zone. What do you notice? What do you wonder?. oceanexplorer.noaa.gov. Light penetration in the photic zone. Open water. Coastal water. oceanexplorer.noaa.gov. Red light penetrates water the least
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Light penetration in the photic zone What do you notice?What do you wonder? oceanexplorer.noaa.gov
Light penetration in the photic zone Open water Coastal water oceanexplorer.noaa.gov
Redlight penetrates water the least Blue and green light penetrate water the most oceanexplorer.noaa.gov
How do marine organisms use light? • Sunlight is needed for photosynthesis (primary production to support food webs) • Light for animals to see • Finding food • Avoiding predators • Finding mates
Why is water blue? Or, why is a red fish red? Why is green algae green? Why is a purple urchin purple?
What are the wavelengths of light? Why is water blue? sun
infrared ultraviolet X X Which wavelengths of light can we see? Why is water blue? sun
Which wavelengths of light can we see? Why is water blue? sun
Why is water blue? sun Blue water absorbs all light waves except blue
Not all light penetrates water Light Zones Daylight 0-200m Twilight 200-1000m Midnight 1000m + Blue Planet 0:00 - 5:55
Remember why a red fish looks red? oceanexplorer.noaa.gov
Remember why a red fish looks red? What does a red fish look like here? oceanexplorer.noaa.gov
Adaptations to light in water What do you notice? oceanexplorer.noaa.gov
Adaptations to light in water Countershading itresourcing.com.au
Adaptations to light in water Bioluminescence oceanexplorer.noaa.gov
Bioluminescence Communication Blue Planet 14:30-15:57 & 17:55-18:15 oceanexplorer.noaa.gov
Bioluminescence Communication Locating food Blue Planet 16:00-17:16 oceanexplorer.noaa.gov
Bioluminescence Communication Locating food Attracting prey Blue Planet 12:17 - 14:31 oceanexplorer.noaa.gov
Bioluminescence Communication Locating food Attracting prey Camouflage Blue Planet 5:55 - 7:35 oceanexplorer.noaa.gov
Bioluminescence Communication Locating food Attracting prey Camouflage Mimicry Cookie cutter shark fishbase.org flmnh.ufl.edu
Bioluminescence Communication Locating food Attracting prey Camouflage Mimicry flmnh.ufl.edu
Bioluminescence Communication Locating food Attracting prey Camouflage Mimicry Self-defense Blue Planet 17:18-17:54 oceanexplorer.noaa.gov
Deep Sea Videos http://blogs.discovery.com/deep_sea_news/2008/10/the-27-best--16.html *extra time The Blue Planet: The Deep, 8:00+