General Biology 2 Crossword Puzzle

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Across
  1. 2. describes the evolutionary history of a related group of species
  2. 4. : first life on earth (3.5 billion years).
  3. 7. : "Golden Age" period of cephalopods and brachiopods (a clam-like shellfish).
  4. 8. :most specific unit of classification
  5. 12. a natural and important part of evolution
  6. 14. Darwin :primarily known as the architect of the theory of evolution by natural selection and visited the Galapagos Islands in 1832.
  7. 15. trait that improves an organism’s change for survival and reproduction
  8. 18. : change in populations over time
  9. 20. : tiny liquid droplets or solid particles suspended in the atmosphere; one hypothesis suggests simple microbes first formed.
  10. 21. structures : structures that are similar in anatomy but have different function
  11. 22. : where a species blends with their surroundings
  12. 23. :where one species resembles another species
  13. 25. structures: body parts similar in function but have different structure
  14. 27. : layers of calcium carbonate that form in warm, shallow by the activities of photosynthetic bacteria.
  15. 29. Darwin :the first to publish his ideas of how species evolve
  16. 30. :the most common GMOs because their simple structure permits easy manipulation of their DNA
Down
  1. 1. : the set of biochemical reactions by which organisms produce and extract food energy.
  2. 3. -:bones and other hard parts are replaced by minerals carried in solution by groundwater.
  3. 5. structures :body structure that has no function in present-day organisms but was probably useful to an ancestor
  4. 6. : the linking together (or polymerization) of small organic (like amino acids) to form larger ones, called biopolymers (like proteins).
  5. 9. evolutionary origin
  6. 10. : the process of the evolution of a new species
  7. 11. :"Golden Age" period of fishes.
  8. 13. : Trace fossils :indirect evidence of organisms.
  9. 16. common evolutionary origin
  10. 17. :period of the age of dinosaurs; forests of gymnosperms and ferns cover most of Earth.
  11. 19. acids -:the basic building blocks of proteins.
  12. 22. eating an animal containing a human gene
  13. 24. :required in the first life of organic compounds - such as amino acids - from inorganic materials like atmospheric gases, to make proteins.
  14. 26. Mutations: occur at a regular rate.
  15. 28. fauna :oldest fossils of larger, multicellular, soft- bodied marine animals.