The Study of Life

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Across
  1. 1. collection of all the ecosystems on Earth
  2. 6. the study of life
  3. 7. study of animals
  4. 8. small structures that exist within cells and carry out cellular functions
  5. 12. fortunate accident or a lucky surprise
  6. 14. large molecule, typically formed by the joining of smaller molecules
  7. 15. all the living things in a particular area together with the abiotic, nonliving parts of that environment
  8. 17. study of the biology of the nervous system
  9. 18. biology study of biological processes and their regulation at the molecular level, including interactions among molecules such as DNA, RNA, and proteins
  10. 19. group of similar cells carrying out related functions
  11. 20. smallest and most fundamental unit of matter
  12. 21. study of the structure and function of microorganisms
Down
  1. 2. organism with cells that have nuclei and membrane-bound organelles
  2. 3. single-celled organism that lacks organelles and does not have nuclei surrounded by a nuclear membrane
  3. 4. study of life’s history by means of fossils
  4. 5. study of plants
  5. 9. study of the chemistry of biological organisms
  6. 10. chemical structure consisting of at least two atoms held together by one or more chemical bonds
  7. 11. smallest fundamental unit of structure and function in living things
  8. 13. set of populations inhabiting a particular area
  9. 16. ability of an organism to maintain constant internal conditions
  10. 22. collection of related tissues grouped together performing a common function