The answer is B hunting ans poaching the animal for its horn
Extremophiles are organisms that can live and thrive in extreme environments, such places can have high pressure and temperature, just like the organisms in hydrothermal vents. The benefits of being an extremophile is less risk for predation since not much predators can live in extreme environment; there will also be less competition in term of food source.
Answer: (It is an endothermic reaction because energy is gained.)
It converts energy in food into a more usable form.
Exercise performance begins to decline once water loss exceeds 2% of an individual's body mass.