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.
The word biology is derived from the greek words /bios/ meaning /life/ and /logos/ meaning /study/ and is defined as the science of life and living organisms. An organism is a living entity consisting of one cell e.g. bacteria, or several cells e.g. animals, plants and fungi. Aspects of biological science range from the study of molecular mechanisms in cells, to the classification and behaviour of organisms, how species evolve and interaction between ecosystems.