Question

how is ecosystem useful for human beings​

Answer 1

Humans are fully dependent on Earth'secosystems and the services that they provide, such as food, clean water, disease regulation, climate regulation, spiritual fulfillment, and aesthetic enjoyment. The relationship between human well-being andecosystem services is not linear.

Answer 2

External and internal factors. Energy enters an ecosystem from the sun, which plants utilize, as well as carbon dioxide, which is used for photosynthesis. Animals eat the plants, moving the energy and matter through the ecosystem. ... These factors both control and are controlled by ecosystem interactions.