Which of the following statements is not true with regard to an endothermic organism exposed to cold temperatures? The organism's metabolic rate would increase.
The organism would hibernate.
The organism would sweat or pant.
Vasoconstriction would occur at the blood vessels closest to the skin.

the nitrogen cycle provides nitrogen to the ecosystem from the atmosphere, ground and oceans. nitrogen is an important component of complex molecules such as amino acids and nucleotides, which lead to the creation of proteins and dna, the building blocks of all life. plants absorb nitrogen in the form of ammonium, nitrate ion and, on rare occasions, as amino acids. animals receive nitrogen necessary for biological processes from feeding on living or dead organic matter.

answerall of the above;