Biology

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Across
  1. 1. This is the branch of science that names and groups organism
  2. 3. This is the highest and most comprehensive level of classification
  3. 6. Are layers of calcium carbonate that form in warm, shallow seas
  4. 7. The process of the evolution of anew species
  5. 8. The genetic makeup of an individual
  6. 9. Is a group of related orders
  7. 10. Changes in the gene pool of a population that result in changes in allele frequencies
  8. 11. Horses and elephants
  9. 13. Bones and other hard parts are replaced by minerals
  10. 15. The traits of an individual
  11. 17. Process whereby plants use light energy to cause carbon dioxide to react with water
  12. 19. The generation of major change in the assemblage of organism
  13. 22. He grouped everything into simple groups such as animals or plants
  14. 23. Evidence for evolution
  15. 24. It is a person who study biology
  16. 25. Amino acids are the basic building blocks of ___
  17. 26. Is a group of related species
  18. 27. It stands for deoxyribonucleic acid
Down
  1. 2. Is a group of families
  2. 4. The age of dinosaurs
  3. 5. When the evolution of one species affects the evolution of another species
  4. 7. the ''Golden age'' of cephalopods
  5. 12. The idea that species originate through a gradual change of adaptions
  6. 14. Change in population over time
  7. 16. Mammals successfully colonized all environments
  8. 17. Is a group of related classes
  9. 18. As development continuoes form embryo to a more mature organism
  10. 20. This is a natural and important part of evolution
  11. 21. the ''Golden age'' of fishes
  12. 25. Gathered into larger clusters to make plants