Intro Biology

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Across
  1. 4. Living parts of an ecosystem
  2. 5. Positively charged particle; in the nucleus of the atom
  3. 8. The number of protons in an atom
  4. 9. All living things have (3 letters)
  5. 13. sharing electrons; very strong
  6. 15. All living things have (5 letters)
  7. 16. process by which organisms maintain a relatively stable internal environment
  8. 17. The number of protons and neutrons
  9. 18. The study of life
  10. 19. Negatively charged particle; on the outside of the atom
Down
  1. 1. Collected body of data from observations and experiments
  2. 2. very weak bonds; hydrogen atom bonds with a molecule
  3. 3. Non-living parts of an ecosystem
  4. 6. A group of atoms bonded together
  5. 7. All 7 _______ of life needs to be in an organism
  6. 10. Neutral charged particle; in the nucleus of the atom
  7. 11. All living things can ______ sexually or asexually
  8. 12. The process of making clear how your evidence supports
  9. 14. An answer to the science
  10. 17. Basic or smallest unit of matter
  11. 20. Claim, Evidence, Reasoning