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