Biology

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Across
  1. 2. a person who is studying or has expert knowledge of one or more of the natural or physical sciences
  2. 6. an optical instrument used for viewing very small objects, such as mineral samples or animal or plant cells
  3. 7. biological process by which an organism reproduces an offspring that is biologically similar to the organism
  4. 9. branch of biology that deals with the study of plants
  5. 10. the preserved remains of plants and animals whose bodies were buried in sediments
Down
  1. 1. the fundamental units of the brain and nervous system
  2. 3. group of cells that perform similar function
  3. 4. a deep sleep that helps them to save energy and survive the winter without eating much
  4. 5. fist-sized organ that pumps blood throughout your body
  5. 8. the smallest structural and functional unit of an organism