If it's the first mammal on earth then it's a type of reptile not pretty sure the name and what it looks like but it's a type of reptile for sure even though generation to generation we Been evolve by different types of mammal but before they where all fish a type of fish idk yet though lol.
Answer:
a animal that eats plants is a herbivore
Explanation:
The traits more sensitive noses is advantageous to the species
