Dec 26, 2025 · The biosphere is a system characterized by the continuous cycling of matter and an accompanying flow of solar energy in which certain large molecules and cells are self-reproducing.

biosphere, Relatively thin life-supporting stratum of the earth’s surface, extending from a few miles into the atmosphere to the deep-sea vents of the oceans.

Dec 26, 2025 · The mix of species and physical environments vary across the globe, creating ecological communities, or biomes, such as the boreal forests of North America and Eurasia and the rainforests …

Dec 26, 2025 · The following sections describe how many of the biological and physical parts fit together to make the engine of the biosphere run and why many seemingly obscure species are important to …

3 days ago · The blankets of volatile gases and liquids near and above the surface of Earth are, along with solar energy, of prime importance to the sustenance of life on Earth.

Dec 26, 2025 · Biosphere - Carbon Cycle, Ecosystems, Atmosphere: Life is built on the conversion of carbon dioxide into the carbon-based organic compounds of living organisms.

Britannica Dictionary definition of BIOSPHERE [singular] : the part of the Earth in which life can exist — usually used with the the effects of pollution on the biosphere

Dec 26, 2025 · Biosphere - Nutrient Cycling, Ecosystems, Atmosphere: The cells of all organisms are made up primarily of six major elements that occur in similar proportions in all life-forms.

Dec 26, 2025 · Biosphere - Salinity, Ecosystems, Biodiversity: The term salinity refers to the amount of dissolved salts that are present in water. Sodium and chloride are the predominant ions in seawater, …

Dec 26, 2025 · Biosphere - Nitrogen Cycle, Microorganisms, Atmosphere: Nitrogen is one of the elements most likely to be limiting to plant growth. Like carbon, nitrogen has its own biogeochemical …