What are the differences between compound eyes and simple eyes.

Arthropod eyes are called compound eyes because they are made up of repeating units, the ommatidia, each of which functions as a separate visual receptor. What is the difference between compound eyes and simple eyes? Why is mosaic vision with less resolution soon in cockroach?

Ommatidia are the units that constitute the compound eyes in …………………. .

What are the functions of the eye lids?

Name the visual units of the compound eyes of cockroach.

Coloured portion of the eye lying between the cornea and lens.