Question

(b) Arthropoda
(d) Mammals
mals?
4. Write short notes on:
(a) Flatworms
(c) Reptiles​

Answer 1

Explanation:

flatworms:-Unlike other bilaterians, they are acoelomates (having no body cavity), and have no specialized circulatory and respiratory organs, which restricts them to having flattened shapes that allow oxygen and nutrients to pass through their bodies by diffusion.