When.com Web Search

Search results

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

    en.wikipedia.org/wiki/Wood

    Linden. Ash. Wood is a structural tissue found in the stems and roots of trees and other woody plants. It is an organic material – a natural composite of cellulose fibers that are strong in tension and embedded in a matrix of lignin that resists compression. Wood is sometimes defined as only the secondary xylem in the stems of trees, [1] or ...

  3. Secondary metabolite - Wikipedia

    en.wikipedia.org/wiki/Secondary_metabolite

    Plants are capable of producing and synthesizing diverse groups of organic compounds and are divided into two major groups: primary and secondary metabolites. [9] Secondary metabolites are metabolic intermediates or products which are not essential to growth and life of the producing plants but rather required for interaction of plants with their environment and produced in response to stress.

  4. Conifer - Wikipedia

    en.wikipedia.org/wiki/Conifer

    Borers rarely bore tunnels in living trees, although when populations are high, adult beetles feed on tender twig bark, and may damage young living trees. One of the most common and widely distributed borer species in North America is the whitespotted sawyer ( Monochamus scutellatus ).

  5. Tannin - Wikipedia

    en.wikipedia.org/wiki/Tannin

    The tannin compounds are widely distributed in many species of plants, where they play a role in protection from predation (acting as pesticides) and might help in regulating plant growth. [1] The astringency from the tannins is what causes the dry and puckery feeling in the mouth following the consumption of unripened fruit, red wine or tea. [ 2 ]

  6. Cellulose - Wikipedia

    en.wikipedia.org/wiki/Cellulose

    5) n, a polysaccharide consisting of a linear chain of several hundred to many thousands of β (1→4) linked D -glucose units. [3][4] Cellulose is an important structural component of the primary cell wall of green plants, many forms of algae and the oomycetes. Some species of bacteria secrete it to form biofilms. [5]

  7. Ginkgo biloba - Wikipedia

    en.wikipedia.org/wiki/Ginkgo_biloba

    Salisburia macrophyllaReyn. Ginkgo biloba, commonly known as ginkgo or gingko (/ ˈɡɪŋkoʊ, ˈɡɪŋkɡoʊ / GINK-oh, -⁠goh), [ 5 ][ 6 ] also known as the maidenhair tree, [ 7 ] is a species of gymnosperm tree native to East Asia. It is the last living species in the order Ginkgoales, which first appeared over 290 million years ago, and ...

  8. Crassulacean acid metabolism - Wikipedia

    en.wikipedia.org/wiki/Crassulacean_acid_metabolism

    The pineapple is an example of a CAM plant. Crassulacean acid metabolism, also known as CAM photosynthesis, is a carbon fixation pathway that evolved in some plants as an adaptation to arid conditions [1] that allows a plant to photosynthesize during the day, but only exchange gases at night. In a plant using full CAM, the stomata in the leaves ...

  9. 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. Autotrophs produce complex organic ...