Answer:
B). The organism ultimately must obtain all of the necessary energy for life from its environment.
Explanation:
Energy can never be created and it can not be destroyed. Energy can only be transferred from one form into another form. This is according to the First law of thermodynamics. Therefore all living organisms in the universe has to derived or obtained energy from other sources from its environment to sustain life. It can never create any kind of energy on its own. For example plants take the energy from sun to produce food for photosynthesis and animals take energy from different producers in order to sustain life.