Final answer:
Asexual reproduction involves a single parent and produces clones, while sexual reproduction involves two parents and results in genetically diverse offspring.
Step-by-step explanation:
The main difference between asexual reproduction and sexual reproduction lies in the genetic diversity of the offspring. Asexual reproduction occurs when a single parent replicates its genetic material to produce offspring that are genetically identical copies, or clones, of the parent. This method is common in many single-celled organisms and certain multicellular organisms, like some plants, and it can quickly produce a large number of offspring.
Sexual reproduction, by contrast, involves the combining of genetic material from two parents to create offspring. During this process, each parent contributes half of its genetic material through gametes (egg and sperm cells), and the resulting offspring have a unique combination of genetic traits from both parents, leading to increased genetic variation. This variation can be advantageous in changing or unpredictable environments as it allows for more genetic combinations that could be beneficial for survival.