The vision in cockroach is mosaic vision. They have several small lenses in the compound eyes. Each one of them is capable of forming independent image of the object seen, but not the entire object. The image formed is scattered dots which assembled to form a complete image. Hence it is called mosaic vession.
Each of ommatidium in a cockroach is capable of producing an independent image of a small part of the object seen. The image formed is scattered dots which assemble to form a complete image. Such type of vision is called as mosaic vision
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