"Letters" Vocabulary

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Across
  1. 2. able to impress the mind, feelings, or conscience
  2. 3. a set of related living things that share certain characteristics and that can interbreed
  3. 5. lands that go up or down or at an angle
  4. 6. a person who studies living things
  5. 7. a great mass that moves very slowly down a mountain or along a valley, or spreads very slowly over a land area
Down
  1. 1. a wild region with few or no people living in it
  2. 4. to keep from harm or change; protect