Environmental Changes

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Across
  1. 3. People try to _____ habitats.
  2. 5. Every living thing on Earth is __________
  3. 7. Floods, earthquakes, volcanic eruptions and droughts
  4. 8. Protecting ecosystems and the organisms is called _______.
Down
  1. 1. Any harmful substance that gets into the environment.
  2. 2. Living things can _______ their environment.
  3. 4. All living and nonliving things in nature
  4. 6. A community of living things and the nonliving things around them