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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white blood cells or wbc s are mainly 2 types-

1.agranulocytes

2.granulocytes

the monocytes or macrophages of agranulocytes , dendritic cells which are accessory leucocytes, and b cells which is one type of lymphocytes   identify the antigens present on the pathogen's surface. these three cells are called antigen presenting cells(apc) which are phagocytes and destroy the antigens by secreting antitoxins. besides this leukocyte is always plays vital role in the immunity of the body.

c. establishing proper sleep hygiene

the correct answer is: b. pantala flavescens, because these organisms would have a high level of genetic variation due to sexual reproduction.  

because involves two organisms (parents) whose genetic material combines, sexual reproduction leads to genetic variation in new generations of offspring. the offspring is an unique organism, with new genome, more protected with the higher ability to adapted. this process is fundamental to evolution.