refers to genetically ensuring that animals are tolerant of humans. refers to conditioning an animal to do the same.

The correct options are
C Taming
D Domestication
A domesticated animal is genetically tolerant towards humans. This occurs at a species level. A tamed animal is conditioned in captivity by humans but remains genetically wild. Hence, the process of conditioning the animal in captivity is called taming while the process of genetically bringing the animal under the desired species level is called domestication.