Imagine that you remove all the atoms from a chair. What remains?

Nothing; the chair is made of atoms. An atom is the most basic unit of matter in our universe, and matter is the "stuff" that makes up our universe, in other words, anything that has mass and takes up space.

it's     c       this is a cell (b) with a nucleus (c) containing dna (a). the dna is organized into chromosomes (d). a section of the chromosome that codes for a trait is called a gene (e).

linnaeus is the father of taxonomy

explanation:

which is the system of classifying and naming organisms. one of his contributions was the development of a hierarchical system of classification of nature. today, this system includes eight taxa: domain, kingdom, phylum, class, order, family, genus, and species.