Earth Moon and the Sun Class 7 Questions and Answers Science Chapter 12
Earth Moon and the Sun Class 7 Questions and Answers Science Chapter 12 Q.1. Explain how animals dwelling in the forest help it grow and regenerate. Ans. Animals help in growing and regenerating forests in many ways. Animals work as the cleaning agents in the forest. Microorganisms work on dead bodies of plants and animals and degenerate them. An’imals also help in pollination which helps in growing a number of plants. Herbivores helps the carnivores to grow as they serve as food for them. Thus flora and fauna mutually grow in the forest. Q.2. Explain how forests prevent floods. Ans. Forests can absorb a lot of water. The roots of the trees absorb the water and prevent it from flowing away. Roots of trees also help in percolation of water into the soil. This helps in preventing floods. Q.3. What are decomposers? Name any two of them. What do they do in the forest? Ans. Decomposers are the organisms which feed on the dead bodies of plants and animals. They clean the forests decaying ...