Leeks are a very mellow version of an onion and when cut they have a beautiful variation in color. They go from white down by the root, to a yellow center, to a really dark green at the top. Cut the leek just below the really dark green part. Those really dark, green leaves are very tough and you donât eat them.
organic. adj. 1. (Biology) of, relating to, derived from, or characteristic of living plants and animals. 2. (Biology) of or relating to animal or plant constituents or products having a carbon basis. 3. (Biology) of or relating to one or more organs of an animal or plant. 4. (Chemistry) of, relating to, or belonging to the class of chemical compounds that are formed from carbon Compare inorganic 2: an organic compound.
Biology is a natural science concerned with the study of life and living organisms, including their structure, function, growth, evolution, distribution, and taxonomy.Modern biology is a vast and eclectic field, composed of many branches and subdisciplines.n general, biology recognizes the cell as the basic unit of life, genes as the basic unit of heredity, and evolution as the engine that propels the synthesis and creation of new species.