Across
- 1. is a group of organisms that can reproduce with another nature.
- 4. is a any difference between cells organisms and groups.
- 5. is th bological mechanism by wich orgnanisms adjust to new environments.
- 6. is a reproductive succes and reflects how well an organism is adapted.
Down
- 2. is the complete disapparance of a species.
- 3. is a mechanism of evolution