Answer:
D
Explanation:
Both mice and rats are omnivores, which means they eat plants and animals, but they tend to enjoy different food items. During times of starvation, a mouse will even eat its own tail!
3) Heredity because Heredity is defined as the characteristics we get genetically from our parents and our relatives before them.
I believe the answer is D because if there is a decline in the younger population the momentum is going down but if there is an increase in younger population then it is growing