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Class Arachnida
Characterized by…..
Class Arachnida
Characterized by…..
1. two body parts…..
Class Arachnida
Characterized by…..
1. two body parts…..
Cephalothorax – fused head and chest
Class Arachnida
Characterized by…..
1. two body parts…..
Cephalothorax – fused head and chest
cephalo = head
Class Arachnida
Characterized by…..
1. two body parts…..
Cephalothorax – fused head and chest
cephalo = head thorax = chest
Class Arachnida
Characterized by…..
1. two body parts…..
Cephalothorax – fused head and chest
cephalo = head thorax = chest
Abdomen
Class Arachnida
Characterized by…..
1. two body parts…..
Cephalothorax – fused head and chest
cephalo = head thorax = chest
Abdomen
2. eight legs, all attached to the cephalothorax.
Order Araneae - Spiders
Chelicerae – fangs
Pedipalps – Leg-like
Abdomen – terminates with a pair of appendages called spinnerets (produce silk)