LinnaeusSystematics, Taxonomy, and ClassificationIntroductionLinnaeusSystematics Analysis TechniquesAlternative Methods of ClassificationModern Classification Bioterms Taxonomy is the…
(Encyclopedia) medusa, in zoology, scientific name for the jellyfish, i.e., the free-swimming stage of various animals in the phylum Cnidaria. See polyp and medusa.
(Encyclopedia) mastitis, bovine, bacterial inflammation of the udder in dairy cattle. It is spread during the process of milking, either by machine or by hand, and by flies. The symptoms include…
(Encyclopedia) Dewdney, Anna, 1965–2016, American children's book author and illustrator, b. Englewood Cliffs, N.J., as Anna Elizabeth Luhrmann, B.A. Wellesley, 1987. After illustrating adult and…
(Encyclopedia) EumetazoaEumetazoay&oomacr;ˌmĕtˌəzōˈə [key], subkingdom of the animal kingdom comprising all animals except the sponges and the wormlike mezozoans (see Mezozoa).
(Encyclopedia) heterotrophheterotrophhĕtˈərətrōfˌ [key], living organism that obtains its energy from carbohydrates and other organic material. All animals and most bacteria and fungi are…
(Encyclopedia) catgut or gut, cord made from the intestines of various animals (especially sheep and horses, but not cats). The membrane is chemically treated, and slender strands are woven together…
(Encyclopedia) pigmentation, name for the coloring matter found in certain plant and animal cells and for the color produced thereby. Pigmentation occurs in nearly all living organisms. Almost all…
(Encyclopedia) body temperature, internal temperature of a living organism. Mammals and birds are termed warm-blooded, or homeothermic, i.e., they are able to maintain a relatively constant inner…
HOW IS SOIL FORMED? ARE THERE DIFFERENT TYPES OF SOIL? HOW DO LIVING THINGS HELP THE SOIL?SOIL LAYERSFIND OUT MORESoil is one of Earth’s most precious resources. It provides the support and…
