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    				| 1. | Give reason:Plants are the main support of every food chain. | 
| Answer» Many animals in the environment eat only plants. Some animals eat smaller animals that live on plants. Plants make their own food using water from soil and carbon dioxide from air in the presence of sunlight. They are the only living organisms which do not depend for their food on other animals. All other animals directly or indirectly depend on plants for food. Hence, plants are the main support of every food chain. | |