Here's why:
* Genetic Diversity: Sexual reproduction involves the combination of genetic material from two parents (typically through sperm and egg). This mixing of genes leads to offspring with unique combinations of traits, resulting in variation.
* Offspring Variation: Each parent contributes half of their genetic material, creating new combinations that are different from either parent. This variation allows for adaptation and evolution.
In contrast, asexual reproduction produces offspring that are genetically identical to the single parent. There's no mixing of genetic material, so the offspring are clones.