Question

Draw a neat and labelled diagram of ommatidium. (S)

Answer 1

your answer is in the pic hope it helps you.

Answer 2

it is an optical unit which makes up the compounds eyes of the most of the insects. insects have the one of the most advanced and beautiful eye and sight system which is best in any condition and helps them to survive and predation is made possible. it is one of the main reason the insects are now surviving here in this harsh environment and are the most successful group of the animals.