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Nutrients on Earth are recycled through biogeochemical cycles such as the carbon, nitrogen, and phosphorus cycles. These cycles involve the transfer of nutrients between living organisms, the soil, and the atmosphere, ensuring that nutrients are constantly being used, reused, and made available for different organisms. Microorganisms play a critical role in breaking down organic matter and returning nutrients to the environment.

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1y ago

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Why are decomposers essential for the continuation of life on earth?

If nothing decomposed, life as we know it would end. When something dies, bugs, worms, and microscopic organisms break it down. They leave nutrients in the soil for plants to absorb. So without decomposition, all plants would die off, due to lack of nutrients in the soil. If all plants died, it would take very little time for a majority of life on earth to die off.


Which group of organisms completes the food chain by returning nutrients to the soil?

Decomposers, such as bacteria, fungi, and detritivores, break down organic matter from dead plants and animals. They recycle nutrients back into the soil, completing the food chain and supporting plant growth.


Life cycles recycle matter and help to create balance on Earth because?

they allow for the continuous flow of nutrients and energy through ecosystems. Organisms consume and decompose matter, returning essential elements back to the environment. This process sustains life and maintains ecological equilibrium.


How nutrients moves out of atmosphere?

Nutrients can move out of the atmosphere through processes such as deposition, where they settle onto the Earth's surface through precipitation or air currents. Nutrients can also be taken up by plants during photosynthesis or absorbed by surface waters. Additionally, human activities like burning fossil fuels can release nutrients into the atmosphere, which can later be deposited back to the Earth's surface.


How is soil useful for living things?

Soil is essential for living things because it provides nutrients, support, and moisture for plants to grow. It also houses a diverse community of organisms that help decompose organic matter, recycle nutrients, and maintain soil structure. Additionally, soil plays a crucial role in the carbon and water cycles, which are important for sustaining life on Earth.