Across
- 4. A group of interdependent organisms inhabiting the same region and interacting with each other
- 5. community First integrated set of plants, animals, and decomposers found in an area undergoing primary ecological succession.
- 8. Symbiotic relationship in which both species benefit from the relationship
- 12. Process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen and high-energy carbohydrates such as sugars and starches
- 14. Any animal that feeds chiefly on grass and other plants
- 15. A system formed by the interaction of a community of organisms with their physical environment
- 16. Species Species that serve as early warnings that a community or ecosystem is being degraded.
- 18. The diversity of plant and animal life in a particular habitat (or in the world as a whole)
- 20. The type of environment in which an organism or group normally lives or occurs
- 21. Respiration The metabolic processes whereby certain organisms obtain energy from organic molecules
- 23. An organism that feeds on plant and animal remains and other dead matter
- 25. Species Plants and animals that have migrated to places where they are not native
- 26. The branch of biology concerned with the relations between organisms and their environment
- 27. Community A stable mature community that undergoes little or no change in species over time
Down
- 1. Species Plants and animals that naturally inhabit an area
- 2. Organism that breaks down and obtains energy from dead organic matter
- 3. A group of the same type of organisms living in the same place at the same time
- 6. A living thing that has (or can develop) the ability to act or function independently
- 7. the struggle between organisms to survive in a habitat with limited resources
- 9. The role of an organism within its environment and community (affecting its survival as a species)
- 10. Any animal that feeds on flesh
- 11. the relation between two different kinds of organisms when one receives benefits from the other without damaging it
- 13. replication method of DNA replication in which parental strands separate, act as templates, and produce molecules of DNA with one parental DNA strand and one new DNA strand
- 17. Species Species that migrate into an ecosystem or are deliberately or accidentally introduced into an ecosystem by humans.
- 19. repeating subunit of chromatin fibers, consisting of DNA coiled around histones
- 22. specie A species whose impact on its community or ecosystem are much larger and more influential than would be expected from mere abundance
- 24. The total mass of living matter in a given unit area