Across
- 3. association where One species benefits, the other is harmed.
- 5. The number of births in a population over a period of time.
- 8. A group of organisms of the same species living in a particular area.
- 9. The maximum number of individuals an environment can support.
- 10. One organism (predator) eats another (prey).
- 13. Close relationships between species (mutualism, parasitism, commensalism).
- 14. association where One species benefits, the other is unaffected.
- 20. The number of deaths in a population over a period of time.
- 21. The total number of individuals in a population.
- 23. Affect populations regardless of size (e.g., natural disasters).
- 25. association where Both species benefit.
- 27. One organism (predator) hunts and eats another (prey).
- 28. The number of individuals per unit area (e.g., per km²).
- 29. How individuals are spaced (clumped, uniform, or random).
- 30. Effects increase with population density (e.g., disease, competition).
Down
- 1. A stable, mature community.
- 2. Movement of individuals into a population.
- 4. Starts on bare land (no life).
- 6. Rapid population increase under ideal conditions.
- 7. Things that restrict population growth (e.g., food, water, space).
- 11. Occurs where life existed before.
- 12. Organisms fighting for the same resources.
- 15. A group of organisms that can breed and produce fertile offspring.
- 16. A community plus its physical (non-living) environment like soil, water, and climate.
- 17. First organisms to colonize an area.
- 18. How fast a population increases or decreases.
- 19. Movement of individuals out of a population.
- 22. Animals feeding on plants.
- 24. All the populations of different species living and interacting in a particular area.
- 26. The natural environment where an organism lives