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| 1. |
Flow of materials is cyclic but flow of energy is unidirectional, explain plzzz |
| Answer» The nutrient movement is a cyclic movement where the nutrients revolve round with an ecosystem, hence cyclic where as The flow of energy in the ecosystem is unidirectional. The energy enters the plants (from the sun) through photosynthesis during the making of food. This energy is then passed on from one organism to another in a food chain | |