Biogeochemical cycle
is the exchange of matter through the biosphere involving living organisms, chemical processes, and
geological processes.
In the biosphere, energy flows from the sun to producers (plants) through photosynthesis. This energy is then transferred to consumers (animals) through the food chain. Matter cycles through processes like nutrient uptake by plants, consumption by animals, and decomposition, returning nutrients back to the soil for reuse by plants.
Matter and energy flow through the biosphere in a continuous cycle through processes such as photosynthesis, respiration, and decomposition. Matter is cycled through biogeochemical cycles like the carbon and nitrogen cycles. Energy enters ecosystems through sunlight and is transferred through trophic levels via food chains and food webs.
Matter is controlled by the atoms and thetemperature, such as ice melting to water and water to steam. The carbon atom can be recycled through the biosphere by falling in the rain made by the steam from the fire. Then along comes a bird and drinks the water with the carbon atom and it becomes part of the bird. A man kills bird and uses it for food and the feathers to start a fire. And now you have your recycling of matter.
In the biosphere the matter is recycled within and between the ecosystems. Elements, chemicals compounds, and other forms of matter are passed from one organism to another and from one part of the biosphere to another through biogeochemical cycles. There are the water cycle, carbon cycle, nitrogen cycle, and the phosphorus cycle.
The five major carbon reservoirs on Earth are the atmosphere, oceans, terrestrial biosphere (plants and soils), fossil fuels, and sediments (such as limestone and organic matter). These reservoirs store carbon in various forms and exchange it through processes like photosynthesis, respiration, and erosion.
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Energy in the biosphere flows through a one-way system, entering as sunlight and being converted into chemical energy through photosynthesis. This energy is then transferred through the food chain as organisms consume each other. In contrast, matter in the biosphere cycles through biogeochemical processes, such as the carbon and nitrogen cycles, where elements are taken up by organisms, recycled, and reused in the ecosystem.
Energy and matter flow through the atmosphere (air), hydrosphere (water), lithosphere (Earth's crust), and biosphere (living organisms) on Earth. These spheres are interconnected and exchange materials and energy through various processes like photosynthesis, respiration, and the water cycle.
The main form of carbon found in the reservoirs in the biosphere is organic carbon. This includes carbon stored in living organisms, dead organic matter, and soil organic matter. Carbon is cycled through the biosphere in processes like photosynthesis and respiration.
Unlike the one way flow of energy, matter is recycled within and between ecosystems.
The biosphere is considered an open system because it interacts with its surroundings through the exchange of energy and matter. It receives input of energy from the sun and cycles materials such as carbon, nitrogen, and water with other Earth systems.
In the biosphere, energy flows from the sun to producers (plants) through photosynthesis. This energy is then transferred to consumers (animals) through the food chain. Matter cycles through processes like nutrient uptake by plants, consumption by animals, and decomposition, returning nutrients back to the soil for reuse by plants.
A closed system is a system that cannot exchange matter with its surroundings, but can exchange energy. A system that cannot exchange matter or energy with its surroundings is called an isolated system.
Matter and energy flow through the biosphere in a continuous cycle through processes such as photosynthesis, respiration, and decomposition. Matter is cycled through biogeochemical cycles like the carbon and nitrogen cycles. Energy enters ecosystems through sunlight and is transferred through trophic levels via food chains and food webs.
Matter cycles through the biosphere through various processes such as photosynthesis, respiration, decomposition, and nutrient cycling. These processes involve the movement of elements like carbon, nitrogen, phosphorus, and water between living organisms and the environment, ensuring that these elements are continuously recycled and reused by different organisms in the ecosystem.
matter and energy
Closed systems do not exchange matter with their surroundings.