This week’s subject: insectsInsects make up almost...

This week’s subject: insects

Insects make up almost 90% of animal life on Earth. Without them, many plants could not survive. And though small insects such as flies, fleas and ants are the most familiar to us, much larger ones are common. The stick insect of the tropics can grow to a length of 14 inches. To learn more about insects, go to http//www.latimes.com/launch.