LS.6.2.1 CW How Ecosystems2

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Across
  1. 2. Plants in a forest grow poorly after taller trees block most of the available light. Which environmental resource became limited?
  2. 5. A rabbit population decreases, causing foxes to have less food. What model helps explain this relationship?
  3. 7. Scientists count every white-tailed deer living within one state park. What group are they measuring?
  4. 9. A long drought causes plants to die because there is very little rainfall. Which type of environmental factor caused the change?
  5. 11. A cactus survives in a desert because it stores water in its thick stem. What survival characteristic does the cactus have?
  6. 12. Crops grow better after compost adds important substances to the soil. What did the compost provide?
  7. 13. Scientists study how plants, animals, water, soil, and climate interact in one area. What are they studying?
Down
  1. 1. A disease spreads through a forest and affects only the trees, not the rocks or streams. Which type of environmental factor changed?
  2. 2. A farmer adds organic matter to improve how well crops grow in a field. Which characteristic of the soil is being improved?
  3. 3. A beaver builds a dam that creates a pond where it finds food, water, and shelter. What is this place called?
  4. 4. After leaves fall to the forest floor, fungi break them down and return nutrients to the soil. What type of organism is doing this job?
  5. 6. A hawk survives by eating snakes and mice instead of making its own food. What type of organism is the hawk?
  6. 8. A plant grows well because it uses energy from the Sun to make its own food. What type of organism is it?
  7. 10. Two regions receive different amounts of rainfall and have different plants and animals because of their climates. What large ecological region is being compared?