Which arachnid appendages are actually poisonous fangs used to paralyze prey?

A. chelicerae
B. tracheae
C. pedipalps
D. chelipeds

Respuesta :

I think you answer is B. Tracheae, but if i'm wrong, then i understand :)
Which arachnid appendages are actually poisonous fangs used to paralyze prey?

Answer:
D. chelipeds

I'm not sure But 
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