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Biomediation > Phototaxis
The following information is about Phototaxis.
Phototaxis Defined
The ability of bacteria to detect changes in light intensity and respond by moving away from or toward the light.
This definition is in context to Biomediation. See more contextual defintions for Phototaxis.
The secret of plankton eyes
Published November 20, 2008, 10:27 am, News 24 South Africa
Biologists have explained how the larvae of marine zooplankton, such as krill, can see with just two cells, providing a clue to eye evolution.
Animals developed eyes for seeking light
Published November 20, 2008, 6:08 am, New Kerala
Washington, Nov 20 : A new research has suggested that the first eyes in the animal kingdom evolved for the purpose of seeking light.
View to a Krill: Secrets of Plankton Eyes
Published November 19, 2008, 12:19 pm, Animal Planet
The world's simplest vision system can be found in tiny marine plankton.
View to a krill: Secrets of plankton eyes
Published November 19, 2008, 11:25 am, AFP via Yahoo! News
Biologists on Wednesday explained how the larvae of marine zooplankton can see with just two cells, using what is believed to be the world's simplest vision system.
Uncovering secrets of life in the ocean: Scientists study how Earth's simplest eyes work
Published November 19, 2008, 10:33 am, PhysOrg
Larvae of marine invertebrates - worms, sponges, jellyfish - have the simplest eyes that exist. They consist of no more than two cells: a photoreceptor cell and a pigment cell. These minimal eyes, called eyespots, resemble the 'proto-eyes' suggested by Charles Darwin as the first eyes to appear in animal evolution. They cannot form images but allow the animal to sense the direction of light. ...
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Off-site Phototaxis Links, User Submitted
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- Botanik online: Algen - Euglenophyta
- Das Augentierchen Euglena: ein einzelliger Geißelträger des Süßwassers
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