since they all eat different things:
deer, sheep cattle eat plants,
wolves eat meat and insects eat plants or other insects the answer would be
Consumers, as they all obtain food from plants or animals
B.
The other options all tell you the type of nucleic acid it is.
Like transpiration in plants mammal's hypothalamus makes sweat glands functional and mammal's body secretes sweat which on evaporation decreases the body temperature
It was from darwin he was the 1