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4 days ago · It refers to the group of people in an individual's life that satisfies the typical role of family as a support system. The term differentiates between the "family of origin" (the biological family or that in which people are raised) and those that actively assume that ideal role.
- Family (Disambiguation)
Mathematics. Family of curves, a set of curves resulting...
- Global Village
Global village describes the phenomenon of the entire world...
- Family (Disambiguation)
May 10, 2024 · Molecular evolution is the area of evolutionary biology that studies evolutionary change at the level of the DNA sequence. It includes the study of rates of sequence change, relative importance...
May 23, 2024 · The history of life on Earth traces the processes by which living and fossil organisms evolved, from the earliest emergence of life to present day.
May 23, 2024 · A species ( pl.: species) is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. [1] . It is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity.
May 16, 2024 · The biosphere is a global ecosystem composed of living organisms (biota) and the abiotic (nonliving) factors from which they derive energy and nutrients. (Read E.O. Wilson’s Britannica essay on mass extinction.)
- 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...
- The biosphere supports all life on Earth, 3 to 30 million species of plants, animals, fungi, single-celled prokaryotes such as bacteria, and single...
- 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...
- The major cycles that occur in the biosphere are the carbon cycle, nitrogen cycle, sulfur cycle, phosphorus cycle, and hydrological (water) cycle.
May 20, 2024 · The chemical origin of life refers to the conditions that might have existed and therefore promoted the first replicating life forms. It considers the physical and chemical reactions that...
May 20, 2024 · There are seven types of relationships in nature: 1. Symbiosis. 2. Mutualism. 3. Predation. 4. Competition. 5. Commensalism. 6. Amensalism. 7. Parasitism. Symbiosis is a relationship in which both parties are benefited and the organisms live in close contact. A well-known example of symbiosis is seen in lichens.
