| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024or•tho•gen•e•sis (ôr′thə jen′ə sis),USA pronunciation n. - Biology
- Also called orthoselection. evolution of a species proceeding by continuous structural changes in a single lineage without presenting a branching pattern of descent.
- a theory that the evolution of a species in a continuous, nonbranching manner is due to a predetermined series of alterations intrinsic to the species and not subject to natural selection.
- Sociologya hypothetical parallelism between the stages through which every culture necessarily passes, in spite of secondary conditioning factors.
- Neo-Latin; see ortho-, genesis
- 1890–95
Collins Concise English Dictionary © HarperCollins Publishers:: orthogenesis /ˌɔːθəʊˈdʒɛnɪsɪs/ n - evolution of a group of organisms predetermined to occur in a particular direction
- the theory that proposes such a development
- the theory that there is a series of stages through which all cultures pass in the same order
orthogenetic /ˌɔːθəʊdʒɪˈnɛtɪk/ adj ˌorthogeˈnetically adv |