Perfect for beginners with simple, common vocabulary
Evolutionary Pathways and Origins
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Across
- 1. Process favoring survival of organisms with advantageous traits
- 4. Differences in traits among individuals within a population
- 6. Basic unit of heredity passed from parent to offspring
- 8. Preserved remains or impressions of ancient organisms
- 10. Continued existence despite environmental challenges
Down
- 2. Group of organisms capable of interbreeding and producing fertile offspring
- 3. To undergo a change in DNA sequence
- 5. Diagram showing evolutionary relationships among species
- 7. Process by which organisms adjust traits to survive in environments
- 9. An organism from which others have descended
- 11. Naturalist who formulated the theory of natural selection
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