Answer:Darwin realized that existing heritable variation in a generation must be the starting point for a change in nature. In any generation, the animals in the litter are never quiet the same. And in the wild,such a tiny heritable variation might make all the difference between life and death.
Explanation:
Diverse. the answer is diverse because they will look kinda of like their parents, but still different. Compared to asexual reproduction, where offsprings are identical
1 4 and 5 I think .... (insert 20 characters)
Answer:
So far scientists have not found a way to find the exact age of the Earth directly from Earth rocks because Earth's oldest rocks have been recycled and destroyed by the process of plate tectonics. Ancient rocks exceeding 3.5 billion years in age are found on all of Earth's continents
Explanation:
