Question

Fleas are difficult to squish because they have

resilin in their joints

sclerites

B. I and II only

C. II and III only

D. I, II, and III

A. I only

tough spines

​

Answer 1

Answer:

In para 2, we learn that "a flea has a very hard exoskeleton, which means the body is covered by a tough, tile-like plate called sclerite. Because of these plates, fleas are almost impossible to squish." From this we can understand that the sclerite makes flea difficult to squish.

Answer 2

A I only

Explanation:

mxvdu d e. f h. h x s y g

fn3 64=67

8

djn fn. di e