Q- List two differences between an insect and an arachnid.
Answer- The two main differences between insects and arachnid are as follows:
1. Insects have 3 pairs of legs and 3 body parts (Head, thorax and abdomen) while arachnid has 2 pair of legs with 2 or no body parts division.
2. One of the examples of insects is cockroach whereas one of the examples of arachnid is spider.