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  2. Human uses of living things - Wikipedia

    en.wikipedia.org/wiki/Human_uses_of_living_things

    The human population exploits and depends on many animal and plant species for food, mainly through agriculture, but also by exploiting wild populations, notably of marine fish. [10] [11] [12] Livestock animals are raised for meat across the world; they include (2011) around 1.4 billion cattle, 1.2 billion sheep and 1 billion domestic pigs. [12 ...

  3. Biological roles of the elements - Wikipedia

    en.wikipedia.org/wiki/Biological_roles_of_the...

    Essential for almost all living things; needed for chlorophyll, and is a co-factor for many other enzymes; has multiple medical uses. [11] Large doses can have toxic effects. [11] manganese: 25: 5a: Essential for almost all living things, although in very small amounts; it is a cofactor for many classes of enzymes.

  4. History of life - Wikipedia

    en.wikipedia.org/wiki/History_of_life

    The history of life on Earth traces the processes by which living and extinct organisms evolved, from the earliest emergence of life to the present day. Earth formed about 4.5 billion years ago (abbreviated as Ga, for gigaannum) and evidence suggests that life emerged prior to 3.7 Ga. [1] [2] [3] The similarities among all known present-day species indicate that they have diverged through the ...

  5. Microorganism - Wikipedia

    en.wikipedia.org/wiki/Microorganism

    [1] [2] Microbes are important in human culture and health in many ways, serving to ferment foods and treat sewage, and to produce fuel, enzymes, and other bioactive compounds. Microbes are essential tools in biology as model organisms and have been put to use in biological warfare and bioterrorism. Microbes are a vital component of fertile soil.

  6. Surprising Secret Uses for Things You Use Every Day - AOL

    www.aol.com/surprising-secret-uses-things-every...

    We’re looking at everyday objects with hidden purposes you may have overlooked.

  7. Biotechnology - Wikipedia

    en.wikipedia.org/wiki/Biotechnology

    Biotechnology is the research and development in the laboratory using bioinformatics for exploration, extraction, exploitation, and production from any living organisms and any source of biomass by means of biochemical engineering where high value-added products could be planned (reproduced by biosynthesis, for example), forecasted, formulated ...

  8. Human interactions with fungi - Wikipedia

    en.wikipedia.org/wiki/Human_interactions_with_fungi

    Human interactions with fungi include both beneficial uses, whether practical or symbolic, and harmful interactions such as when fungi damage crops, timber, food, or are pathogenic to animals. Yeasts have been used since ancient times to leaven bread and to ferment beer and wine .

  9. Human uses of animals - Wikipedia

    en.wikipedia.org/wiki/Human_uses_of_animals

    The human population exploits a large number of non-human animal species for food, both of domesticated livestock species in animal husbandry and, mainly at sea, by hunting wild species. [ 6 ] [ 7 ] Marine fish of many species, such as herring , cod , tuna , mackerel and anchovy , are caught and killed commercially, and can form an important ...