The difference between class Insecta and Arachnida of phylum
Arthropoda are :
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Insect
|
Arachnid
|
1.
They posses three pair of legs for walking
|
They posses four pair of legs
for walking
|
2.
Their head consists of 1 pair of antennae
|
Antennae is absent in their head.
|
3.
Their body is divided into head, thorax and
abdomen.
|
Their body is divided into persoma, metasoma, mesosoma.
|
4.
Thorax and abdomen is well segmented.
|
Their body is unsegmented.
|
5.
They respire through trachea.
|
They respire through book lungs and trachea.
|
6.
They have one or two pair of wings.
|
Wings are absent in them.
|
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