The answer to the question is Microbes with the ability to breakdown cellulose live in the digestive system.
<h3>What is digestive system?</h3>
The digestive system of the human body is made up of the gastrointestinal tract and additional digestive organs. In order for food to be absorbed and assimilate into the body, it must first be broken down into smaller and smaller components during digestion. Cephalic, gastric, and intestinal phases make up the three stages of the digestive process. Peristalsis is the term used to describe the rhythmic contraction of muscles that starts in the esophagus and travels down the stomach wall and the rest of the gastrointestinal tract.
To learn more about digestive system with the help of given link:
a chart to describe some relationships among species. Relationships among Species X Y Boxing crabs gently carry anemones in their claws to sting predators and keep them away. The anemones feed off bits of food the crab drops. Fleas live on the warm body of a dog, biting the dog and eating its blood.
Deforestation- "The action of clearing a wide area of trees."
The growth of human population would require more homes and resources for everyone. The more the population grows, the more resources required. Forests will be cut down and burned due to the need of more homes and food.