Population Dynamics

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Across
  1. 2. Interacting group of various species in a common location.
  2. 5. The regions of the surface, atmosphere, and hydrosphere of the earth occupied by living organisms.
  3. 6. A biological community of interacting organisms and their physical environment.
  4. 8. The natural home or environment of an animal, plant, or other organism.
  5. 9. The observed process of change in the species structure of an ecological community over time.
  6. 11. One of two types of biological and ecological succession of plant life, occurring in an environment in which new substrate devoid of vegetation and usually lacking soil, such as a lava flow or area left from retreated glacier, is deposited.
  7. 14. All the inhabitants of a particular place.
  8. 15. A species that increases or decreases the diversity of a system.
  9. 17. The classification of life
  10. 18. Niche diagrams of the organisms living there.
  11. 21. An organism that eats dead organic matter.
  12. 22. The gradual warming of a planet by an atmosphere's conversion of incoming solar radiation into heat.
  13. 24. Using resources without using them up so biological systems remain diverse and productive.
  14. 26. Living.
  15. 27. An east west measurement of position on the Earth.
  16. 28. A north-south measurement of position on the Earth.
  17. 29. Coal, oil and natural gas geologically transformed from ancient beds of plant matter into burnable hydrocarbons.
Down
  1. 1. A species that works like an indicator its population and health reveal much about its ecosystem.
  2. 3. A diagram showing the flow of energy through a food chain or web.
  3. 4. A large naturally occurring community occupying a major habitat
  4. 7. The pooling of groundwater on top of a bedrock layer.
  5. 10. One of the two types of ecological succession of plant life.
  6. 12. Hairy, warm-blooded vertebrates that nourish their young with milk.
  7. 13. A three-atom oxygen molecule that in its gaseous state screens ultraviolet radiation.
  8. 16. The role and position a species has in its environment - how it meets its needs for food and shelter, how it survives, and how it reproduces.
  9. 19. Can only thrive in a narrow range of environmental conditions or has a limited diet.
  10. 20. The branch of biology that deals with the relations of organisms to one another and to their physical surroundings.
  11. 22. Is able to thrive in a wide variety of environmental conditions and can make use of a variety of different resources
  12. 23. Non living.
  13. 25. The classification category for a group of organisms