MadSci Network: Zoology
Query:

Re: Can ants see things at the cellular level?

Area: Zoology
Posted By: Lynn Bry, MD/PhD Student, Washington University Medical School
Date: Fri Jun 6 13:52:58 1997
Area of science: Zoology
ID: 861301060.Zo
Message:

Hi Manda

To see things at a "cellular" level requires a very powerful lens to magnify light in a manner that we can see cellular structures. As far as I am aware, no animals have "microscopic vision," in the sense of being able to see small structures with anything that looks like an eye. Why is this so? Well, for one, animals use vision for a number of "macroscopic" (things in the "large" world) purposes such as finding food, staying away from predators, and finding a mate. These things are probably more useful to an organism than being able to see into cells, thus evolutionary pressures led to the development of macroscopic vision.

In addition, ants have compound eyes, or eyes made up of many smaller eyes called omatidia. These eyes give the ant a view of light, dark and motion, but are not powerful enough to magnify objects as small as cells.

Hope this helps..

-L. Bry, MadSci Admin


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