A substance that enters into a Chemical reaction is called an reactant.
That thing would need to rely on some source of food to live. Plants are living and they rely on sun and water. Humans rely on calories.
The cytoplasm in a single-celled organism and the circulatory system in a human both transport substances throughout the organism
Baboons, sparrows, and human beings are considered both primary and higher order consumers because they all eat plants and meat.
Primary consumers feed on producers/ plants. Then secondary consumers feed on primary consumers.
Answer: No I read it on briticanna.com
Explanation: