Multiple choice

What layer on the outer surface of the exoskeleton makes it waxy?

  1. Cuticle

  2. Cellulose

  3. Chitin

  4. Chromatid

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The cuticle is the outer protective layer of arthropods that forms their exoskeleton. Its outermost sublayer, the epicuticle, contains waxes and lipids that prevent water loss and make the surface waterproof.