TASK DEFINITION: Given a scientific question, generate a correct answer to it.
PROBLEM: Wind is one method for dispersal of what, ensuring a new generation?

SOLUTION: seeds

PROBLEM: The four major classes of biological macromolecules include carbohydrates, lipids, proteins, and what else?

SOLUTION: nucleic acids

PROBLEM: Three distinct layers or tunics form the walls of what structures; the first is a smooth, inner lining of endothelial cells in contact with the red blood cells?

SOLUTION:
blood vessels