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May 16, 2024 · The biosphere is the global ecosystem of living organisms and their interactions with the environment. Learn about the biosphere's components, cycles, ecosystems, and examples from Britannica's experts.
- What is the biosphere?The biosphere is the thin life-supporting stratum of Earth’s surface, extending from a few kilometres into the atmosphere to the deep-sea vents of...
- What is the role of the biosphere?The biosphere supports all life on Earth, 3 to 30 million species of plants, animals, fungi, single-celled prokaryotes such as bacteria, and single...
- What are the abiotic and biotic components of the biosphere?The two components of the biosphere are called the abiotic and the biotic. The abiotic, or nonliving, portion of each ecosystem includes the flow o...
- What are the major cycles that occur in the biosphere?The major cycles that occur in the biosphere are the carbon cycle, nitrogen cycle, sulfur cycle, phosphorus cycle, and hydrological (water) cycle.
Oct 19, 2023 · Learn about the biosphere, the part of Earth where life exists, and its origin, structure, and interaction with humans. Explore examples of biosphere reserves, such as Yangambi and Yayu, and the artificial biosphere Biosphere 2.
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The biosphere (which is technically a spherical shell) is virtually a closed system with regard to matter, [1] with minimal inputs and outputs. Regarding energy, it is an open system, with photosynthesis capturing solar energy at a rate of around 100 terawatts. [2] By the most general biophysiological definition, the biosphere is the global ...
Mar 6, 2023 · Learn what the biosphere is, how it supports life on Earth, and how it interacts with the atmosphere, hydrosphere, and lithosphere. Explore examples of biosphere reserves and artificial biospheres, and how humans affect the biosphere.
Jun 12, 2022 · Example of the Biosphere. The natural biosphere of the earth is called biosphere 1. However, due to human’s curiosity, they have built an artificial biosphere known as biosphere2. Biosphere 2 is known as the human-made laboratory in Oracle, Arizona. The initial purpose of the project was to study the different factors and carry out relevant ...
Learn about the origin and meaning of the word biosphere, and how it describes the network of all life on Earth. Explore the diversity and complexity of ecosystems, and the relationships between life and geology.
Learn how the biosphere, the part of Earth that includes all living things, influences the atmosphere and climate. Explore examples of how plants, animals, and humans affect the carbon cycle and the Gaia hypothesis.
