Answer:
I know the muffin man and the muffin man knows me lol
Without external and internal stimuli, your body would not be able to maintain homeostasis. Homeostasisis a property of systems that regulates their internal environment (blood levels, temperature, nutrient levels, etc.) and tends to maintain a stable, constant condition despite changing external conditions.
The plant has more surface area, making it able to maximize it's collection of sunlight to convert to energy.
It is anabolic reaction that is endothermic