Across
- 7. the protection and management of natural resources like land, water, and wildlife
- 8. an organism that reflects the health of its environment because it is sensitive to changes like pollution or habitat loss
- 9. the study of populations in relation to their environment, focusing on how factors like birth rates, death rates, immigration, and emigration affect a population's size, density, and distribution over time
- 11. differences in DNA among individuals within a species or population
- 13. the disappearance of a species from Earth
- 14. the variety of organisms in an area, by species, genes, populations, and communities; also called biological diversity
Down
- 1. the division of a habitat into smaller patches
- 2. a species that is at serious risk of extinction
- 3. the largest population a given environment can support
- 4. a species that is found in one area of the world
- 5. a species that has a strong or wide-ranging impact on a community
- 6. the number or variety of species in the world or in a particular region
- 8. a nonnative species that spreads widely in a community
- 10. a characteristic of the environment that restricts population growth
- 12. plants, animals, or other organisms that evolved naturally in a specific region or ecosystem over a long period and are adapted to its local conditions