Aranea General Characteristics
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General Characteristics of Aranea
- Body is divided into cephalothorax and abdomin
- The cephalothorax has 6 pairs of appendages
- First set of appendages chelicerae
- 2nd set is the pedipalps
- Remaining 4 pairs are the walking legs
- Abdomen is unsegmented, rounded and without telson
- Abdomen have 3 pairs of spinning organs which produce threads for construction of web
- Arachnids do not have both wings and antennae
- Arachnids have actually simple eyes called ocelli
- Respiration by book lungs
- Excretion by Coxal glands and Malphigian tubules
- Development is direct
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