Across
- 2. The young of a particular parents.
- 7. The process where organisms gradually adapt to suit their surroundings.
- 9. A group of animals or plants that have similar features.
- 10. A change or alteration.
Down
- 1. The tiny basic parts of all living matter.
- 3. The number of people or animals in a certain area.
- 4. The science which studies the passing on of special features from parents to offspring.
- 5. The gradual development of something, like animals or technology.
- 6. The process of changing.
- 8. A scientist best known for his contributions to the theory of evolution.