Across
- 2. How something is built or put together.
- 6. Availability limits the size of a population.
- 7. A trait helps organisms to survive and reproduce.
- 9. Differences of members of a species genes.
Down
- 1. Organisms do well they pass they pass on genes.
- 3. How an organism's body systems functions
- 4. The process of populations changing over time.
- 5. A different form or version of something.
- 8. The way an organism acts to a stimulus.