Science

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Across
  1. 2. involving the fusion of gametes
  2. 4. an oval or round object laid by a female bird
  3. 7. having or consisting of many cells
  4. 11. is composed of two or more separate elements
  5. 12. the production of offspring
  6. 14. the smallest structural and functional unit of an organism
  7. 15. can reproduce without a partner
Down
  1. 1. the action of taking apart a body or plant to study its internal parts
  2. 3. the study of living organisms
  3. 5. an organ that pumps the blood through the circulatory system
  4. 6. able to be maintained at a certain rate or level
  5. 8. a substance that cannot be broken down into smaller parts
  6. 9. an optical instrument used for viewing very small objects
  7. 10. consisting of a single cell
  8. 13. a part of an organism which is typically self-contained and has a specific vital function