Distinguish between Insecta and Arachnida
CBSE Class 11
CBSE Class 11 Biology
2016-07-19 07:55:51 UTC
Class Insecta :
Body is divided into three parts : head, tho-rax and abdomen.
Wings are found.
Appendages on head are antennae, mandi-bles and maxiliae.
The walking legs are three pairs.
Class Arachnida :
Body is divided into two parts: cephalotho¬rax and abdomen.
Wings are lacking.
Apendages on head are a pair of chelicerae and a pair of pedipalps.
The walking legs are four pairs.