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The concept of a circular economy cannot be traced back to one single date or author, rather to different schools of thought. [37] The concept of a circular economy can be linked to various schools of thought, including industrial ecology, biomimicry, and cradle-to-cradle design principles. Industrial ecology is the study of material and energy ...
One of the approaches they developed was the concept of bioshelters, "greenhouse-like architectural structures containing ecosystems for various purposes: food for humans, waste purification systems, etc." [23] Wendell Berry wrote admiringly: "The bioshelter idea, then, proposes to make a household on the pattern of an ecosystem, adapted to the ...
The ocean's surface acts like a skin between the atmosphere above and the water below, and hosts an ecosystem unique to this environment. This sun-drenched habitat can be defined as roughly one metre in depth, as nearly half of UV-B is attenuated within this first meter. [2]
An aquatic ecosystem is an ecosystem found in and around a body of water, in contrast to land-based terrestrial ecosystems.Aquatic ecosystems contain communities of organisms—aquatic life—that are dependent on each other and on their environment.
Marine life, sea life or ocean life is the collective ecological communities that encompass all aquatic animals, plants, algae, fungi, protists, single-celled microorganisms and associated viruses living in the saline water of marine habitats, either the sea water of marginal seas and oceans, or the brackish water of coastal wetlands, lagoons ...
Marine protists are defined by their habitat as protists that live in marine environments, that is, in the saltwater of seas or oceans or the brackish water of coastal estuaries. Life originated as marine single-celled prokaryotes (bacteria and archaea) and later evolved into more complex eukaryotes. Eukaryotes are the more developed life forms ...
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Many species live most of their lives as single cells or are filamentous, while others form colonies made up from long chains of cells, or are highly differentiated macroscopic seaweeds. Red algae , a (disputed) phylum contains about 7,000 recognised species, [ 146 ] mostly multicellular and including many notable seaweeds.