PLEASE LOOK AT PICTURE AND ANSWER IT FOR AN IMPORTANT TEST

W. The chromosomes are located in the nucleus of the cell. Both plant cells and animal cells have chromosomes within their nucleus, and every chromosome is comprised of a single molecule of deoxyribonucleic acid and proteins.

an adaptation is a change or process by which an organism takes to be better suited for its environment. for example; migration is a behavioral adaptation, this is needed because birds are not built to last extremely cold climates. there are different adaptations because there are different species needing to adjust to different things, bears don't migrate; they hibernate.

answer; /// i believe the correct answer is (reactants);