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Eyespot

Eyespot

(Science: zoology) a simple visual organ found in many invertebrates, consisting of pigment cells covering a sensory nerve termination.

An eyelike spot of colour.


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Need help with an alien cell (for a plausible fiction)

... from a lisobulloid below and digest the prey cell while the cnidocyte coil holds on to it. The digested matter can then be easily obsorbed. - Eyespot Apparatus - Light sensitive patches on the outer membrane. - Myofillium - These are rubbery strands of actin, myosin and nebulin that normally ...

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by TemporalV01D
Tue Feb 08, 2011 1:48 pm
 
Forum: Cell Biology
Topic: Need help with an alien cell (for a plausible fiction)
Replies: 3
Views: 8265

adaptation and evolution: Haven't found the answer yet

... doesn't have to "know" that changing color or developing spots that mimic eyes is beneficial. But if a butterfly developed a rudimentry eyespot as part of normal variation, that happened to scare birds off more than it's neighbor that didn't have the eyespot, it might be more likely ...

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by CoffeaRobusta
Fri Apr 13, 2007 7:00 am
 
Forum: Genetics
Topic: adaptation and evolution: Haven't found the answer yet
Replies: 5
Views: 3199

flatworms questions for school please help (multiple choice)

... along each arm A central Brain 10: A Starfish can reproduce Sexually Asexually Both 11: At the end of each arm of the starfish there is a(n) Eyespot Genital Pore Madreporite

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by smilesfromhvn807
Fri Jan 05, 2007 5:45 pm
 
Forum: Zoology Discussion
Topic: flatworms questions for school please help (multiple choice)
Replies: 1
Views: 2797

PHYLUM PLATYHELMINTHES - FLATWORMS - INVERTEBRATES

... Is it? I couldn't find it in my textbook. Thanks too :wink: NEW INFO: I have just found some info that at the tip of every arm there is an eyespot http://faculty.washington.edu/chudler/invert.html

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by SU_reptile
Sat Dec 16, 2006 8:14 pm
 
Forum: Zoology Discussion
Topic: PHYLUM PLATYHELMINTHES - FLATWORMS - INVERTEBRATES
Replies: 8
Views: 9841

The Fiber Disease

Developmental Biology Online: Gradient Models of Positional ... (A) Photograph of an eyespot on the wing of Morpho peleides. (B) Diagram of a two-gradient model that may explain the way the spot was generated. ... Gradient Models of Positional Information How can ...

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by tamtam
Wed Oct 25, 2006 5:49 pm
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 4988736
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