organic evolution
Học thuậtThân thiện
Definition
- Noun:
- (Biology) The process of cumulative change in the heritable characteristics of a population of organisms over successive generations. This is the scientific term for the theory that all living things have developed from earlier forms through natural selection and genetic variation.
Usage
- Noun:
- The study of organic evolution explains the diversity of life on Earth.
- Darwin's theory of organic evolution by natural selection is a cornerstone of modern biology.
- Evidence for organic evolution comes from fossils, comparative anatomy, and molecular biology.
Advanced Usage
- "The mechanisms of organic evolution": This phrase refers to the processes that drive evolutionary change, such as mutation, gene flow, genetic drift, and natural selection.
- Modern synthesis combines genetics with the principles of organic evolution to explain the mechanisms of change.
Variants and Related Words
- Evolution (n): The more common, general term for the same process. "Organic evolution" is a more specific biological term.
- The evolution of flight in birds is a fascinating subject.
- Biological evolution (n): A synonym often used interchangeably with "organic evolution."
- Phylogeny (n): The evolutionary history and relationships of a species or group of species, which is a result of organic evolution.
- Natural selection (n): A primary mechanism of organic evolution.
Synonyms
- Biological evolution
- Descent with modification
- Phylogenesis
Related Phrases
- Theory of evolution: The scientific theory explaining the process of organic evolution.
- The theory of evolution provides a unifying framework for biology.
- Patterns of evolution: Refers to the observable results of organic evolution, such as adaptive radiation or convergent evolution.
- The fossil record shows clear patterns of evolution over geological time.
Noun
- (biology) the sequence of events involved in the evolutionary development of a species or taxonomic group of organisms