Across
- 4. The natural environment where an organism lives.
- 5. A group of organisms that can interbreed and produce offspring.
- 8. The science of classifying and naming organisms.
- 9. A species at risk of extinction.
Down
- 1. One reason species may be endangered.
- 2. The plant life in a particular region.
- 3. The type of offspring that will be born from breeding species.
- 6. The variety of life forms within a given ecosystem.
- 7. The animal life in a particular region.
- 10. A species that no longer exists, having no living individuals left.
