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The maintenance functions of all living organisms must go on even when they are not doing anything particular. Even when we are just sitting in a class or even asleep, this maintenance job has to go on. These maintenance processes require energy to prevent damage and break-down of cells and tissues, which is obtained by the individual organism from the food prepared by the autotrophs, called producers.
What are the differences between autotrophic nutrition and heterotrophic nutrition?
The autotrophic mode of nutrition requires
Raw materials required in the autotrophic mode of nutrition i. Carbon dioxide and water ii. Chlorophyll iii.Nitrogen iv. Sunlight
Raw materials required in the autotrophic mode of nutrition i. Carbon dioxide and water ii. Chlorophyll iii. Nitrogen iv. Sunlight
Two statements are given - one labelled Assertion (A) and the other labelled Reason (R). Read the statements carefully and choose the option that correctly describes statements A and R. Assertion (A): Desert plants take in carbon dioxide for photosynthesis during the night. Reason (R): In desert plants, the stomata are closed during the day to conserve water by reducing transpiration.
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