Across
- 1. the theory of the evolution of species by natural selection advanced by Charles Darwin.
- 3. the action or process of adapting or being adapted.
- 6. having the same relation, relative position, or structure, in particular.
- 8. the process whereby organisms better adapted to their environment tend to survive and produce more offspring
- 9. variation in the relative frequency of different genotypes in a small population, owing to the chance disappearance of particular genes as individuals die or do not reproduce.
Down
- 2. the continued existence of organisms that are best adapted to their environment, with the extinction of others, as a concept in the Darwinian theory of evolution.
- 3. structures in different species having the same function but have evolved separately, thus do not share common ancestor.
- 4. the process by which different kinds of living organisms are thought to have developed
- 5. the action or process of mutating.
- 7. Breeding the process by which humans use animal breeding and plant breeding to selectively develop particular phenotypic traits