D. Bright Echo with a comet tail or ring down artifact. I hope this helps, my sister is a nurse so I know a few things.
Answer:
Protein
Explanation:
Protein are organic molecules that contain carbon, oxygen, nitrogen and hydrogen. They are one of the major constituents of living matter which contain long chains of amino acids that are linked together by polypeptides bonds. The protein has a monomer that are amino acids which are contain carbon central atom and carboxyl ground which contain hydrogen and oxygen.
1: it has a heartbeat
2: it gives off a heat signature
3: it breaths
4: it will use resources
5: it will give off some form of waste
To show he presence of a trait you would need to follow it through multiple generations in a pedigree.