Kids Discover ECOLOGY Crossword

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Across
  1. 2. This river caught fire in 1969 due to the massive amounts of flammable chemicals and garbage that polluted it.
  2. 4. One or more communities that interact with each other, plus the nonliving physical features that support life.
  3. 5. The area on Earth between the highest mountains and the deepest oceans where life can exist.
  4. 6. A group of individuals from the same species living in a specific area or region.
  5. 9. __________ Spring, Rachel Carson's book about pesticides.
  6. 10. A volcano that erupted with the force of several atomic bombs.
  7. 11. A plant or an animal belonging to a specific species.
  8. 12. An animal that can eat 1,200 mosquitoes in an hour.
  9. 13. The spread of housing and business to less developed areas.
  10. 15. The grassy home where millions of buffalo once roamed and where wolves now call home.
  11. 18. An area or region of the world that has a particular climate and specific types of plants and animals.
  12. 20. A group of organisms in which each member of the group feeds on the one below it.
  13. 21. Members of this animal group are disappearing faster than any other, and no one has a very good idea of why.
  14. 22. Have more trees and shrubs than temperate grasslands, as well as more rain.
  15. 23. A relationship in which both organisms benefit from each other.
  16. 24. Different populations of species living together in the same area.
  17. 26. A chemical in Mid-20th century pesticides that caused bird eggs to be soft, causing many birds of prey to become endangered.
Down
  1. 1. Carbon _________, gas breathed out by plants and animals.
  2. 3. The effect that traps some of the heat from the sun in Earth's atmosphere, using gases like carbon dioxide.
  3. 7. Examples are oil and coal. They release large amounts of carbon dioxide into the air.
  4. 8. Camels and cacti are found in this biome.
  5. 14. Small animals that live off larger "host" animals.
  6. 16. Scientists who spend time in the field, studying natural areas, where they measure pollution levels or observe animal behavior.
  7. 17. The process of an ecosystem recovering after a natural disaster like a volcanic eruption.
  8. 19. A vehicle run on energy from the sun.
  9. 24. Kill wild birds for sport or food.
  10. 25. A treeless and very cold biome