Concept:Crop selection is advantageous because it uses seeds from the best-performing plants to improve future harvests.
Explanation:In crop selection, a farmer observes plants and identifies those with desirable traits such as high yield or disease resistance.
Seeds are then collected only from these selected plants, called stands.
Planting these seeds in the next season helps preserve and strengthen good qualities over time.
This method is simple and does not require complex technology.
The other options mention challenges like requiring expertise, testing patience, or consuming time, which are not advantages.
Answer:A. Seeds are collected from stands with desirable traits