Across
- 3. All the populations in a particular area
- 6. All the living things and their physical environments within a particular area
- 9. A group of individuals that interbreed and produce fertile offspring
- 11. The largest population size an environment can sustainably support
- 12. ______ growth, occurs when a population increases by a fixed percentage each year
Down
- 1. Population ______, the number of individuals within a population per unit area
- 2. Members of a species that live in the same area
- 4. Characteristic of the environment that restricts population growth
- 5. The arrival of individuals from outside an area
- 7. The proportion of males to females in a population
- 8. Population _________, how organisms are arranged within an area
- 10. The specific environment in which an organism lives