Land, Sea, and Sky

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Across
  1. 3. An overly high number of one species
  2. 6. An organism that produces (makes) its own energy from the sun
  3. 7. Features that living things have developed over time to help them survive in their habitat
  4. 8. An animal that gets hunted by predators
  5. 9. Humans can make ________ that have an effect on things around them
Down
  1. 1. A system of connected food chains
  2. 2. An animal that can eat both plants and meat
  3. 4. A community of organisms and their environment that are connected to each other
  4. 5. An animal that hunts other animals for food
  5. 9. An organism that eats other things to get energy