TO
4 What is the difference between respiration and
gas exchange?​

Respiration is the release of energy from glucose or another organic chemical. Gas exchange takes place at a respiratory surface —a boundary between the external environment and the interior of the organism. Respiration occurs in cell. Gas exchange occurs in alveoli in lungs

Explanation:

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).

that scientist would be robert hooke