‘INSECTS are the most successful group of organisms in the history of life,” writes a lecturer at the University of Bergen. This is quite a sweeping statement! But if we consider that about 80% of the world’s species are insects – more than 900 000 kinds – it does seem likely.
Insects are found in abundance in all parts of the world. But what is it about them that makes them so successful?
One of the main reasons is their ability to fly. Let’s find out more.
WHEN DID INSECTS BEGIN TO FLY?
Of all (animals without backbones)that haveand flight. These winged insects belong to the subclass (meaning “winged”) and account for. Included in this class are insects whose ancestors once had wings but who’ve lost them as a result of evolution.
