Select the correct answer from each drop-down menu. Caleb is a forensic entomologist gathering evidence at a crime scene. How can he determine the stage the maggot larva has reached?
Caleb is a forensic entomologist gathering evidence at a crime scene. From the victim's mouth, he retrieves maggots that are in the 1__ which is the stage maggots reach directly after hatching. He can determine the stage of the maggot larva based on the ___2__ and the 3___ of the larva.
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1. first instar, second instar, third instar
2. color, activity, size
3. number of legs, size of wings, number of breathing holes
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