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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 .

  3. Food - Wikipedia

    en.wikipedia.org/wiki/Food

    Many plants and animals have coevolved in such a way that the fruit is a good source of nutrition to the animal who then excretes the seeds some distance away, allowing greater dispersal. [59] Even seed predation can be mutually beneficial, as some seeds can survive the digestion process.

  4. Human food - Wikipedia

    en.wikipedia.org/wiki/Human_food

    Most human plant-based food calories come from maize, rice, and wheat. [12] Plants can be processed into bread, pasta, cereals, juices and jams, or raw ingredients such as sugar, herbs, spices and oils can be extracted. [13] Oilseeds are often pressed to produce rich oils: sunflower, flaxseed, rapeseed (including canola oil) and sesame. [14]

  5. Nutrition - Wikipedia

    en.wikipedia.org/wiki/Nutrition

    Animals require complex nutrients such as carbohydrates, lipids, and proteins, obtaining them by consuming other organisms. Humans have developed agriculture and cooking to replace foraging and advance human nutrition. Plants acquire nutrients through the soil and the atmosphere.

  6. 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 ...

  7. Human uses of plants - Wikipedia

    en.wikipedia.org/wiki/Human_uses_of_plants

    Basic biological research has often been done with plants. In genetics , the breeding of pea plants allowed Gregor Mendel to derive the basic laws governing inheritance, [ 23 ] and examination of chromosomes in maize allowed Barbara McClintock to demonstrate their connection to inherited traits. [ 24 ]

  8. AOL Mail

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    You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563. Should you need additional assistance we have experts available around the clock at 800-730-2563.

  9. Need - Wikipedia

    en.wikipedia.org/wiki/Need

    In addition to basic needs, humans also have needs of a social or societal nature such as the human need for purpose, to socialize, to belong to a family or community or other group. Needs can be objective and physical, such as the need for food, or psychical and subjective, such as the need for self-esteem. Understanding both kinds of "unmet ...