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The Evolution Of The Eye
Beginning of essay
is examined by comparing optical designs of the eyes of present day animals and comparing the advantages and disadvantages of each design. One can extrapolate from the eye designs of today that these eyes may have benefited the animals to be able to adapt to their environment. It is interesting ....
Middle of essay
.... come to a focal point at some distance beyond it. Once the light is focused to a point, the light will then spread apart and begin to diverge. The image created before the focal point will be right side up. Conversely, beyond the focal point the image will be inverted or upside down (see figure 1). This is known as a real image. The concave, or minus lens, is known as a diverging lens. When light passes through this lens, it will bend away from the optical axis. It has an imaginary .... |
| Number of words: 1717 |
Approximate pages: 7 |
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