1 While files like these help a computer to pull up websites faster by remembering common images and bits of inâ¦. 2  Crochet 101: Choosing the Right Scarf Size One of the most popular and simple crochet projects for the beginner is a scarf. 3  It is a straightforward pattern that utilizes the same stitch repeated throughout.
clade. n. A grouping of organisms made on the basis of their presumed evolutionary history, consisting of a common ancestor and all of its descendants. [From Greek.lade. n. A grouping of organisms made on the basis of their presumed evolutionary history, consisting of a common ancestor and all of its descendants. [From Greek.
Definition of biology. 1  1 : a branch of knowledge that deals with living organisms and vital processes advances in the field of biology a biology textbook. 2  2a : the plant and animal life of a region or environment the biology of the rain forestb : the life processes especially of an organism or group the biology of cancer cells; broadly : ecology.