Hormones because if you think about it. Vertebrates must have backbones and mammals have them. And, humans are basically mammals. And the glands secrete hormones.
I believe the answer is DNA
The victim was hit in the head with a blunt object. Thus, the correct option is B.
<h3>
Who is called a victim?</h3>
A victim is someone who has been harmed physically or emotionally, has had property damaged, or has lost money as a result of a crime.
On the forward wall there is a zigzag pattern and on the walls to the right side, there is a linear pattern of droplets parallel to the floor at about the victim's height. No other marks are found on the other walls. so it might the person hitted by the blunt object so he layed down in and blood marks found in zigzag pattern.
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Answer:
Many scientists use dichotomous keys to identify plants, animals, and other organisms. They may also use dichotomous keys to identify species, or to determine whether a particular organism has been identified and described before. However, dichotomous keys are not used only to identify organisms.
