Q: Fact 1: Reproduction is the process by which organisms give rise to offspring. Fact 2: Mutations are sources of variations in offspring. Given the two facts above, what can happen during the reproduction process?

Pick from:
1). tree falls;
2). Mutations;
3). Plants growth;
4). movement;
5). competition;
6). adding heat;
7). contamination;
8). Dehydration;
The answer is:
2).