Environmental Science Crossword

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Across
  1. 4. A graph showing the likelihood of survival within a group or population by age
  2. 5. A group of individuals that interbreed and have fertile offspring
  3. 7. A characteristic of the environment that restricts population growth
  4. 9. The pattern of population growth where population increases by a fixed percentage each year
  5. 11. The number of individual organisms present in a population at a given time
  6. 12. The members of a species in an area
  7. 14. All of the population in a particular area
  8. 17. Nonliving parts of an ecosystem
  9. 20. The pattern of population growth in which exponential growth is slowed and finally stopped by limiting factors
Down
  1. 1. The seasonal movement by people into and out of a given area
  2. 2. The living parts of an ecosystem
  3. 3. The regions of the surface, atmosphere, and hydrosphere of the earth (or analogous parts of other planets) occupied by living organisms
  4. 6. The number of individuals in a population per unit area
  5. 8. The largest population a given environment can support
  6. 10. The natural home or environment of an animal, plant, or other organism
  7. 13. The movement of individuals away from a given area
  8. 15. The proportion of males to females in a population
  9. 16. A biological community of interacting organisms and their physical environment.
  10. 18. The movement of individuals into a given area
  11. 19. The relative number of organisms of each age within a population