Biology Crossword

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Across
  1. 2. niche, refers to the specific role an organism plays within its ecosystem
  2. 4. succession, type of ecological succession in which plants and animals first colonize a barren
  3. 6. an organism that decomposes
  4. 11. the long-term weather pattern in a region
  5. 12. an interacting group of various species in a common location
  6. 16. resource, usable energy derived from replenishable sources
  7. 17. the increase in concentration of a substance
  8. 19. the study of the relationships between organisms and their environment
  9. 20. factor, a non-living element of the environment that influences the way organisms and ecosystems function.
  10. 21. resource, resources are limited in supply and cannot be used sustainably
  11. 22. any type of a close and long-term biological interaction between two biological organisms
  12. 23. organisms that can produce their own food, using materials from inorganic sources
Down
  1. 1. species, a species that has a disproportionately large effect on the communities in which it lives
  2. 3. new microorganisms joining another population
  3. 5. factor, non-living factors that impact an ecosystem
  4. 7. the weight or total quantity of living organisms of one animal or plant species
  5. 8. level, the level of an organism is the position it occupies in a food web
  6. 9. interactions between organisms of two different species in which each organism benefits from the interaction in some way.
  7. 10. species, the first to colonize a barren ecosystem
  8. 12. capacity, the maximum population size of a biological species
  9. 13. organisms that depend on other sources of organic carbon for their energy and nutrients
  10. 14. factor, a resource or environmental condition which limits the growth distribution or abundance of an organism or population within an ecosystem
  11. 15. factor, the living parts of an ecosystem
  12. 17. a distinct geographical region with specific climate vegetation, and animal life
  13. 18. a type of symbiotic relationship or long-term relationship between two species where one member the parasite gains benefits that come at the expense of the host member.
  14. 24. energy at each trophic level in an ecosystem.