The Earth is the only world known so far to harbor life.
地球是我们所知，唯一可以让生物起源和维持生物生存的世界。
English natural scientist whose `On the Origin of Species' formulated a theory of evolution by natural selection (1809-1882).
英国博物学家（1809-1882），他的《生物起源论》阐明了自然选择的进化论学说。
The origin and evolutionary development of plants.
植物发生，植物进化植物的起源和进化发展
arising or occurring between species.
起源或发生于物种之间的。
prebiological organic chemicals.
生命起源前的有机化学物质
(biology) similar in evolutionary origin but not in function.
（生物学）进化的起源相同但功能不同。
(biology) corresponding in function but not in evolutionary origin.
（生物学）功能相对应但进化起源不同。
The supposed development of living organisms from nonliving matter.
自然发生说，无生源说认为生命起源于无生命有机物的学说
a branch of paleontology that deals with the origin and growth and structure of fossil animals and plants as living organisms.
生物学中研究生物化石以探讨生命体的起源,生长,与结构的分支。
Forest plants of Yunnan were mainly originated from neozoic era, and some relic species were originated from the palaeogoic era to mesozoic era.
云南森林植物(系指木本植物)主要起源于新生代,少数古老种起源于古生代至中生代。
Many species, for example, originate in small populations.
例如，不少生物种就起源于一个很小的群体。
(biology) not corresponding in structure or evolutionary origin.
（生物学）在结构或者进化起源上不相对应。
(biology) having the same evolutionary origin but serving different functions.
（生物学）具有相同的进化起源但有着不同的功能。
The Philosophical inference on the origin of the human beings -the dialecties of the The Philosophical inference on the origin of the human beings──the dialecties of the organism;
人类起源问题的哲学思考──生物进化中的辩证法
Study on Development Strategy of Xanthoceras Sorbifolia Energy Forest in Wuqi County
吴起县文冠果生物能源林发展战略研究
derive:To issue from a source; originate.
"起源于,来自:从某一源泉产生;起源."
The endophyte is surrounded by a membrane of apparent host plant origin.
内生植物是明显地被起源于寄生植物的膜包围的。
THE ORIGIN AND SYSTEMATICS OF BRYOZOA --a new synthsis on morphological and molecular evidence
苔藓动物的起源与系统发生研究进展——形态学和分子生物学的证据