GbEng
原生的出现于某一发展或进化早期阶段的或具有其特征的 Occurring in or characteristic of an early stage of development or evolution.
在维多利亚时代, 许多人对於人是由低级生物进化而来的见解大为震惊. Many Victorians were shocked by the notion that Man had evolved from lower forms of life.
生物学生命或生物的科学，包括其结构、机能、生长、起源、进化及分布。包含植物学和动物学及所有的分支 The science of life and of living organisms, including their structure, function, growth, origin, evolution, and distribution. It includes botany and zoology and all their subdivisions.
退化（作用）一个生物体或物种的某种功能、特征或结构由于进化作用造成的衰退或丧失 The evolutionary decline or loss of a function, characteristic, or structure in an organism or a species.