What two features define members of Order Araneae?
Answer
Chelicerae tipped with fangs and spinnerets used to produce silk
Order Araneae is the official designation encompassing all true spiders, and membership requires the presence of specific predatory and silk-producing structures. The defining characteristics include the presence of chelicerae, which are specialized mouthparts tipped with fangs used to inject venom into prey, facilitating external digestion. Additionally, members of this order possess spinnerets located on the abdomen, which are the organs responsible for extruding silk. While web-building is common in many members, the combination of venom delivery via fangs and specialized silk production apparatus defines the order.
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