Answer: option A is the correct answer
Explanation:
Photosynthetic organisms use sunlight to provide the energy necessary to combine carbon dioxide and water to form organic molecules and ATP. Those same photosynthetic organism also use cellular respiration to breakdown those organic molecules whenever there is an energy demand greater than what can be provided by photosynthesis or in the absence of light.
This happens mostly in the adipose and liver.
The answer is the spinal cord starts at the occipital
bone where it passes over the foramen
magnum, and encounters and go in the spinal
canal at the start of the cervical vertebrae. The spinal cord encompasses
down to amid the first and second lumbar
vertebrae where the spinal cord ends.