Question

State the reasons of the following-

i) Frogs can breathe both through their lungs and skin.

ii)tapeworms do not have a digestive tract

Answer 1

1. Frog breathe both through their skin and lungs because they live both on land and water. On land they use lungs to breathe and in water they use ther moist skin to breathe.

2. Tapeworms are parasites and their body walls absorbs the digested food from the host animal in which they live. So they don't need a digestive tract.