When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Plant nutrition - Wikipedia

    en.wikipedia.org/wiki/Plant_nutrition

    Carbon and oxygen are absorbed from the air while other nutrients are absorbed from the soil. Green plants ordinarily obtain their carbohydrate supply from the carbon dioxide in the air by the process of photosynthesis. Each of these nutrients is used for a different essential function. [7]

  3. Photosynthesis - Wikipedia

    en.wikipedia.org/wiki/Photosynthesis

    Oxygenic photosynthesis is the main source of oxygen in the Earth's atmosphere, and its earliest appearance is sometimes referred to as the oxygen catastrophe. Geological evidence suggests that oxygenic photosynthesis, such as that in cyanobacteria , became important during the Paleoproterozoic era around two billion years ago.

  4. List of macronutrients - Wikipedia

    en.wikipedia.org/wiki/List_of_macronutrients

    Dietary fibre from fruits, vegetables and grain foods. Insoluble dietary fibre is not absorbed in the human digestive tract but is important in maintaining the bulk of a bowel movement to avoid constipation. [5] Soluble fibre can be metabolized by bacteria residing in the large intestine.

  5. Autotroph - Wikipedia

    en.wikipedia.org/wiki/Autotroph

    Photosynthesis is the main means by which plants, algae and many bacteria produce organic compounds and oxygen from carbon dioxide and water (green arrow). An autotroph is an organism that can convert abiotic sources of energy into energy stored in organic compounds, which can be used by other organisms.

  6. Table of food nutrients - Wikipedia

    en.wikipedia.org/wiki/Table_of_food_nutrients

    As foods vary by brands and stores, the figures should only be considered estimates, with more exact figures often included on product labels. For precise details about vitamins and mineral contents, the USDA source can be used. [1] To use the tables, click on "show" or "hide" at the far right for each food category.

  7. This Cardiologist-Approved Food Chart Takes the Guesswork Out ...

    www.aol.com/cardiologist-approved-food-chart...

    While it’s certainly sobering that cardiovascular disease is the number one cause of death in this country, the good news is that this is a health condition that’s largely avoidable.

  8. Food sources - Wikipedia

    en.wikipedia.org/wiki/Food

    The oxygen is then released, and the glucose stored as an energy reserve. [25] Photosynthetic plants, ... Bacteria provide a source of food for protozoa, ...

  9. Heterotroph - Wikipedia

    en.wikipedia.org/wiki/Heterotroph

    A heterotroph (/ ˈ h ɛ t ər ə ˌ t r oʊ f,-ˌ t r ɒ f /; [1] [2] from Ancient Greek ἕτερος (héteros) 'other' and τροφή (trophḗ) 'nutrition') is an organism that cannot produce its own food, instead taking nutrition from other sources of organic carbon, mainly plant or animal matter. In the food chain, heterotrophs are ...