Answers

2016-03-23T06:17:48+05:30
Both insects and arachnids belong to Phylum Arthropoda .
Both have jointed appendages.
Both have tracheal respiration.
Both excrete through Malpighian tubules.
Both have open circulatory system
Both have chitinous exoskeleton.
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2016-03-23T14:27:22+05:30
Insects and arachnids belong to the same phylum .
they have jointed appendages.
they have blood filled coelomic cavity

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