Q27. Explain why there is a need of variety of animals and plants in a forest.
Q28. Explain how animals dwelling in the forest help it grow and regenerate.
Q29. In Fig., the artist has forgotten to put the labels and directions on the arrows. Mark the directions on the arrows and label the diagram using the following labels: clouds, rain, atmosphere, carbon dioxide, oxygen, plants, animals, soil, roots, water table.
Image from NCERT