<span>Plants absorb energy from the sun and use photosynthesis to make sugars. Animals have mitochondria that use the sugars provided by plants to produce their own cellular energy. If there is not plant animal will have difficulty in getting energy. Also there are competition on the part of animals and human. I hope it helps. </span>
Answer:
No it hasn't been recommended by a doctor.
Explanation:
This is considered pseudoscience because there is no proof that it has been scientifically proven.
Answer:
Gills allow for gas exchange
Explanation: