Look up Evelyn in Wiktionary, the free dictionary. Evelyn is a name in the English language, where it can be used as a first name or a surname. As a first name, it can refer to persons of either sex, although it is more commonly borne by females.The name originally was used a surname, which derived from Aveline, a feminine Norman French diminutive of the name Ava.ook up Evelyn in Wiktionary, the free dictionary. Evelyn is a name in the English language, where it can be used as a first name or a surname. As a first name, it can refer to persons of either sex, although it is more commonly borne by females.
Cephalization Cephalization is the process in animals by which nervous and ... Although cephalization is associated primarily with bilaterally symmetrical ... While at first seeming a bit simplistic, cephalization has ... Cephalization means that there is a head, and therefore a concentration of ...ephalization: Evolutionary Process where nerves and sensory structures evolved in the head. ... ... bilateral symmetry with obvious cephalization, three embryonic germ layers with ... is the first step toward cephalization and development of a central ...
External vs Internal Fertilization. Fertilization. Fertilization is one step of the reproduction process both in animals and plants. Reproduction can be categorized as sexual reproduction and asexual reproduction, and fertilization only occurs in sexual reproduction.nimals such as mammals also have internal fertilization, where embryo develops inside mother, which enhances the protection to the embryo1. Internal fertilization facilitates the survival of the embryo, selective fertilization, and longer protection and minimizes the wastage of gametes.