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  2. Biological roles of the elements - Wikipedia

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

    5: 4: In plants, it has important roles in nucleic acid metabolism, carbohydrate and protein metabolism, cell wall synthesis, cell wall structure, membrane integrity and function, and phenol metabolism. [20] Probably essential to animals, for reasons not well understood. [21] Toxic to both animals and plants. [22] bromine: 35: 5

  3. Plant - Wikipedia

    en.wikipedia.org/wiki/Plant

    Green plants provide a substantial proportion of the world's molecular oxygen; the sugars they create supply the energy for most of Earth's ecosystems, and other organisms, including animals, either eat plants directly or rely on organisms which do so. Grain, fruit, and vegetables are basic human foods and have been domesticated for

  4. Human uses of living things - Wikipedia

    en.wikipedia.org/wiki/Human_uses_of_living_things

    Birch includes animals, plants, fungi, and microbes among critical interactions with humans: [9] plants too are incredibly important determinants: for mobile hunter-gatherers, they might dictate a seasonal move; for sedentary agriculturalists, the reliability of your crop yields means the difference between survival and extinction. [9]

  5. Plant–animal interaction - Wikipedia

    en.wikipedia.org/wiki/Plantanimal_interaction

    The earliest vascular plants initially formed on the planet about 425 million years ago, in the Devonian period of the early Paleozoic era. About every feeding method an animal might employ to consume plants had already been well-developed by the time the first herbivorous insects started consuming ferns during the Carboniferous epoch. [5]

  6. Plant nutrition - Wikipedia

    en.wikipedia.org/wiki/Plant_nutrition

    Plant nutrition is the study of the chemical elements and compounds necessary for plant growth and reproduction, plant metabolism and their external supply. In its absence the plant is unable to complete a normal life cycle, or that the element is part of some essential plant constituent or metabolite .

  7. Organism - Wikipedia

    en.wikipedia.org/wiki/Organism

    [23] [17] A mutualism is a partnership of two or more species which each provide some of the needs of the other. A lichen consists of fungi and algae or cyanobacteria , with a bacterial microbiome ; together, they are able to flourish as a kind of organism, the components having different functions, in habitats such as dry rocks where neither ...

  8. Food - Wikipedia

    en.wikipedia.org/wiki/Food

    Animals (domesticated and wild) use as many types of grasses that have adapted to different locations as their main source of nutrients. [56] Humans eat thousands of plant species; there may be as many as 75,000 edible species of angiosperms, of which perhaps 7,000 are often eaten. [57]

  9. Animal nutrition - Wikipedia

    en.wikipedia.org/wiki/Animal_nutrition

    For all animals, some amino acids are essential (an animal cannot produce them internally) and some are non-essential (the animal can produce them from other nitrogen-containing compounds). A diet that contains adequate amounts of amino acids (especially those that are essential) is particularly important in some situations: during early ...