Question

Observe the figures given below and answer the given questions:

(a) In which phylum are these animals included?

(b) Which substance forms the outer layer of their exoskeleton?

(c) What are their locomotory organs?

Answer 1

(a) These animals are included in phylum Arthropoda.

(b) The outer layer of their exoskeleton is covered by chitinous substance.

(c) Their locomotory organs are jointed paired appendages.