Where do ecosystems get their energy from?



  1. 0 Votes

    Ecosystems get their energy from biomass. There is a food web that makes up an ecosystem. Consumption of other organisms provide the necessary energy for survival of all niches of an ecosystem. But all energy is derived when autotrophs (primary producers such as plants) convert light and chemical energy into biomass that stores energy and becomes consumable in the food web.

  2. 0 Votes

    Energy enters the ecosystem as sunlight, which is absorbed by plants and turned into energy through photosynthesis.  Animals eat these plants, and larger animals eat these small ones.  When animals die, they become food for animals as well as decomposers.  Once an animal’s body is completely decomposed, what remains is nutrient rich soils.  Plant roots absorb these nutrients which helps the plants grow.  And the cycle continues..

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