General Biology 2 Crossword Puzzle

Edit Answers
12345678910111213141516171819202122232425262728293031
Across
  1. 1. structures :body structure that has no function in present-day organisms but was probably useful to an ancestor
  2. 3. : the set of biochemical reactions by which organisms produce and extract food energy.
  3. 7. : change in populations over time
  4. 11. : Trace fossils :indirect evidence of organisms.
  5. 13. :period of the age of dinosaurs; forests of gymnosperms and ferns cover most of Earth.
  6. 15. Mutations: occur at a regular rate.
  7. 16. a natural and important part of evolution
  8. 18. common evolutionary origin
  9. 20. : the linking together (or polymerization) of small organic (like amino acids) to form larger ones, called biopolymers (like proteins).
  10. 22. evolutionary origin
  11. 24. : the process of the evolution of a new species
  12. 25. : first life on earth (3.5 billion years).
  13. 29. Darwin :primarily known as the architect of the theory of evolution by natural selection and visited the Galapagos Islands in 1832.
  14. 30. :most specific unit of classification
  15. 31. structures : structures that are similar in anatomy but have different function
Down
  1. 2. acids -:the basic building blocks of proteins.
  2. 4. -:bones and other hard parts are replaced by minerals carried in solution by groundwater.
  3. 5. : layers of calcium carbonate that form in warm, shallow by the activities of photosynthetic bacteria.
  4. 6. describes the evolutionary history of a related group of species
  5. 8. : where a species blends with their surroundings
  6. 9. fauna :oldest fossils of larger, multicellular, soft- bodied marine animals.
  7. 10. structures: body parts similar in function but have different structure
  8. 12. Darwin :the first to publish his ideas of how species evolve
  9. 14. :required in the first life of organic compounds - such as amino acids - from inorganic materials like atmospheric gases, to make proteins.
  10. 17. :"Golden Age" period of fishes.
  11. 19. : "Golden Age" period of cephalopods and brachiopods (a clam-like shellfish).
  12. 21. eating an animal containing a human gene
  13. 23. :where one species resembles another species
  14. 26. :the most common GMOs because their simple structure permits easy manipulation of their DNA
  15. 27. trait that improves an organism’s change for survival and reproduction
  16. 28. : tiny liquid droplets or solid particles suspended in the atmosphere; one hypothesis suggests simple microbes first formed.