Answer:
amino acids
Explanation:
proteins are organic matter molecules that perform multitude of function in the body
Sunflowers grow on a large stalk, and often only produce one flower. paddy plants produce many small flowers, with heavy pollen.
Selective breeding on food crops may create stronger, and more healthy crops. The idea is to find your best crops, and breed them with other crops sharing the traits you want. Selective breeding can make crops produce more matter that is edible, grow taller, grow shorter, etc.. W<span>eaker crops, or crops that have undesirable traits will slowly disappear, and eventually the gene pool will mostly have the selected crop</span>
