Rhone's Crossword

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Across
  1. 2. , the long-term, predictable atmospheric conditions of a specific area.
  2. 4. factor , living things within an ecosystem
  3. 7. , an organism that cannot produce its own food and must eat other plants and/or animals to get energy.
  4. 9. level , the position of an organism in a food chain or food web
  5. 10. , a biological community of interacting organisms and their physical environment.
  6. 12. , an organism that can produce its own food using light, water, carbon dioxide, or other chemicals.
  7. 13. factor , a non-living part of an ecosystem that affects the environment.
  8. 15. , is the process by which substances, such as pesticides or heavy metals, increase in concentration as they move up the food chain
  9. 19. cycle , the natural process by which chemical elements and compounds move between living organisms, the atmosphere, and the Earth's crust.
  10. 21. , the practice of living as a parasite in or on another organism.
  11. 23. , the study of organisms and how they interact with the environment around them.
  12. 24. , an association between two organisms in which one benefits and the other derives neither benefit nor harm.
  13. 25. , a group of different species that live together in a common location and interact with each other.
  14. 26. , an organism that creates its own food or energy.
  15. 27. , when chemicals, particles, or other materials are released into the environment, harming the organisms there.
  16. 29. an ecosystem's trophic levels
  17. 31. pyramid , is a diagram that shows the flow of energy
  18. 32. web , a system of interlocking and interdependent food chains.
Down
  1. 1. , a type of symbiotic relationship where all species involved benefit from their interactions.
  2. 3. species , species that are the first to colonize newly created environments or recently disturbed environments during the processes of primary succession and secondary succession, respectively.
  3. 5. , the variety of life in the world or in a particular habitat or ecosystem.
  4. 6. , the total quantity or weight of organisms in a given area or volume.
  5. 8. niche , the role and position of a species in its environment.
  6. 11. curve , a graph that measures the proportion of individuals in a given species that are alive at different ages.
  7. 14. , the community of plants and animals that occur naturally in an area, often sharing common characteristics specific to that area
  8. 16. , when an organism moves to a new area and establishes a permanent home.
  9. 17. , organism that breaks down dead organic material.
  10. 18. , a mutually beneficial relationship between different people or groups.
  11. 20. , the natural home or environment of an animal, plant, or other organism
  12. 22. factor , anything that constrains a population's size and slows or stops it from growing.
  13. 23. , the process of organisms leaving a population and moving to a different habitat.
  14. 26. density , the average number of individuals in a population per unit of area or volume.
  15. 28. succession , a type of ecological succession that occurs when organisms colonize a new area for the first time.
  16. 30. , an organism that eats other plants or animals for energy and nutrients.