Carbon is an important element for life because it makes up: A. phosphates and nitrates B. lipids, carbohydrates, and proteins C. sodium chloride and potassium nitrate

The seed coat's most important function is to provide a) a nonstressful environment for the megasporangium. b) the means for dispersal. c) dormancy. d) a nutrient supply for the embryo. e) desiccation resistance.

What is a cordon and where is it found

Pulmonary arteries carry highly oxygenated blood. true or false?