Across
- 2. A person or thing that reacts
- 6. A process that plants use
- 9. an organism requiring organic compounds
- 10. mutualism, commensalism, or parasitism.
- 12. factor an environmental factor that tends to limit population size.
- 15. An animal that eats plants
- 16. adjustment
- 17. function of an organism in a community of plants and animals.
- 19. a locality inhabited by such a group.
- 21. Also called ecological succession
- 22. The total number of organisms in one area
- 24. species hardy species which are the first to colonize barren environments
- 25. a class of individuals having some common characteristics or qualities
- 27. the natural environment of an organism
- 29. life
- 30. a relationship between two species of organisms in which both benefit from the association.
Down
- 1. an animal or other organism that feeds on dead organic matter.
- 3. a type of relationship between two species where one does not get damaged
- 4. an animal capable of self-nutrition
- 5. the decay of which depletes the shallow waters of oxygen in summer.
- 7. An animal that eats flesh
- 8. he ecosystem comprising the entire earth and the living organisms that inhabit it.
- 11. a relation between organisms in which one lives as a parasite on another.
- 13. the act of breathing
- 14. a relation between animals in which one organism captures and feeds on others.
- 18. thing produced by labor
- 20. a group of interconnected elements
- 23. Non-life
- 26. eats both plants and flesh
- 28. capacity maximum number of species
- 29. a complex biotic community characterized by distinctive plant and animal species and maintained under the climatic conditions of the region