Across
- 3. the amount or count in a certain area of a species.
- 5. The gradual process by which something changes into a different form.
- 8. the process by which certain traits make it more possible for an organism to survive.
- 9. biodiversity
- 10. ability of an organism to survive and reproduce in its environment.
Down
- 1. the end of a species
- 2. when a population becomes better suited to its habitat
- 4. a group of a type of organisms or animals
- 6. the evolution by which new species are formed.
- 7. a method of blending into an environment.