Across
- 1. symbiotic association between a fungus and a photosynthetic organism
- 5. harvesting species faster than they can grow
- 12. measure of population per unit area
- 13. variety of different types of life on earth
- 15. no living parts of the ecosystem
- 16. only affects a population when it reaches a certain density
- 18. factors living organisms in an ecosystem
- 19. effect when gases trap heat in the atmosphere
- 20. capacity maximum population size that an ecosystem can hold
- 23. group of the same species that live in the same area
- 24. growth influence of limiting factors on population growth
Down
- 2. a steady or dynamic equilibrium
- 3. conection of all organisms that live in a particular place
- 4. where one organism benefits and the other is not harmed
- 6. gradual replacement of species over time
- 7. where one organism benefits but the other is harmed
- 8. state or process of decay
- 9. maintains the conditions that can exist in harmony
- 10. where organism competes for the same resource
- 11. factor limiting the size of a population
- 14. species a no local plant or animal that enters a habitat
- 17. growth a population that grows constantly
- 21. fragmentation when large habitats turn into smaller remnants
- 22. species species that were first to show up in that area