第一单元

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Across
  1. 2. Refers to the process of gas exchange.
  2. 6. So a prediction is a statement about the future.
  3. 8. Is an optical instrument
  4. 9. Biology changes its original seat
Down
  1. 1. The body tube is a hollow tube through which light travels from the objective to the ocular.
  2. 2. Biology is a branch of science that deals with living organisms and their vital processes.
  3. 3. To press the slide
  4. 4. A glass that reflects a clear image.
  5. 5. Refers to the phenomenon and trend of things
  6. 7. When observing the microorganisms, where are the microorganisms