Aristotle based his classification system off of observations of animals, and used physical characteristics to divide animals into two groups
The correct option is D.
A virus refers to an infectious micro organism that is made up of nucleic acid molecule that is enclosed within a protein coat. Viruses are only able to reproduce and multiply when they come in contact with living cells, in the absence of living cells they remain dormant and they do not show any sign of been a living thing. The nuclei acid molecule of a virus can be in form of a DNA molecule or a RNA molecule.
Answer: A pictograph is a symbol for a word or phrase.
i hope this helps you :D
I believe the answer is a and d and b not 100% sure
