<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:
Producers
Explanation:
Autotrophs make their own food from chemical or light energy sources.
Answer: A change in the sequence of amino acids determined by the gene