What is he name for runaway plant growth because of oxcess nitrogen

What molecule does hemoglobin decay into over time

Which feature would you expect to find in a population in which sexual selection depends on male competition?

Fossils of ancestors of the modern horses show a small 4-toed almost dog-like browsing animal named eohippus over time the horses got larger lost toes and changed to a grazing diet what is the best explanation of why this change occurred