Across
- 2. (2.2)the interaction between organisms or species
- 3. (2.4)organisms that break down dead matter
- 6. (2.3)refers to how population size changes over time
- 7. (2.3)the number of individuals per unit area or volume
- 9. (2.2)the physical environment where a species lives
- 10. (2.1)genetic differences within a population
- 11. (2.1)an organism’s ability to survive and reproduce
Down
- 1. (2.4)feeding levels in a food chain
- 4. (2.3)the maximum population size that an environment can sustain
- 5. (2.2)defines an organism's ecological niche
- 8. (2.4)the proportion of energy transferred from one trophic level to the next
- 12. (2.1)refers to natural _