Across
- 3. the process through which populations of living organisms adapt and change.
- 5. a group of animals or plants that are similar and can produce young animals or plants
- 8. an early proponent of the idea that biological evolution occurred and proceeded in accordance with natural laws.
- 9. receive (money, property, or a title) as an heir at the death of the previous holder.
- 11. a change or difference in condition, amount, or level, typically with certain limits.
- 12. The theory of evolution is based on the idea that all species? are related and gradually change over time.
Down
- 1. the action or process of mutating.
- 2. develop gradually, especially from a simple to a more complex form.
- 4. a supposition or a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained.
- 6. to hide or disguise yourself.
- 7. the action or process of adapting or being adapted.
- 10. English naturalist whose scientific theory of evolution by natural selection became the foundation of modern evolutionary studies.