Two scientists found a fossil of an extinct plant. This plant once lived in a warm, tropical climate but the fossil is discovered under a sheet of thick ice. Which of the following statements most likely explains why the fossil is now extinct?

be confident on yourself. ignore such fools and move on ; )

fluid balance is an aspect of the homeostasis of organisms in which the amount of water in the organism needs to be controlled, via osmoregulation and behavior, such that the concentrations of electrolytes (salts in solution) in the various body fluids are kept within healthy ranges. the core principle of fluid balance is that the amount of water lost from the body must equal the amount of water taken in.