Answer:
An acid is a substance or compound that releases hydrogen ions (H+) when in solution. In a strong acid, such as hydrochloric acid (HCl), all hydrogen ions (H+), and chloride ions (Cl-) dissociate (separate) when placed in water and these ions are no longer held together by ionic bonding.
I'm thinking it's D, They have homologous chromosomes.
I would say its between A and D, Hope it helps.
Funcus and a bunch per hour