Given a scientific question, generate a correct answer to it.

Example Input: Carbon, hydrogen, nitrogen, oxygen, phosphorus and sulfur are basic elements that form what type of compounds, which are vital to life?
Example Output: organic compounds

Example Input: Why does the fish odour diminish when you put lemon juice over cooked fish?
Example Output: due to neutralization

Example Input: What hypothetical link between development of herbivores and plant defenses is observed in nature, for instance in seeds that are unsavory to animals?
Example Output:
coevolution