Unit 4 Vocabulary

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Across
  1. 3. nonliving things that affect an environment.
  2. 4. _________ change, when weather changes over time.
  3. 6. living things that affect an environment.
  4. 7. groups of different living things all in the same place.
  5. 8. when things that are not supposed to be in the environment show up.
Down
  1. 1. ________ loss, when living things lose where they live.
  2. 2. _________ relationships, how different things in an ecosystem work together.
  3. 5. the are around all living and nonliving things.