Light and Sight - lesson 1

1
Which of the following organs are working together for seeing different objects ?.........
2
All the following things are considered as a light source, except.........
3
............ energy affects the sensory receptors in eyes of living organisms causing vision.
4
To know what you are seeing and recogonize it, the.......... must receive sensory impulses from eyes.
5
If you see someone walking around in a dark place without hitting anything around him, so this person may............
6
Animals that have a strong vision to hunt at night, include...........
7
The structural adaptation that helps the fishing cat to catch a prey at night, is that its ability..........
8
The thing that makes the eyes of fishing cats glow at night, is...........
9
The Sun and the Moon appear bright, because...........
10
.......... Has poor night vision, so it depends on feeling the heat of prey's body.
11
.......... Has poor night vision, so it depends on the sound that bounces off prey's body.
12
........... Has excellent night vision and its eyes glow at night.
13
......... Has extraordinary sight at night and bowl-shaped face.

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