REFRESH YOUR KNOWLEDGE!

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Across
  1. 2. One of the few modern sciences that addresses the natural unity of both structure and evolution.
  2. 6. It pertains to an organism’s anatomical structure or behavior patterns that is coincidentally highly suited to a new environment and enhances its probability to survive under new conditions.
  3. 7. He wrote The Evolution of Man, in which he depicted the human phylogeny.
  4. 11. He was known for his vertebral theory of the skull.
  5. 12. The era which was termed the Age of Reptiles.
  6. 14. He was well known for opposing Darwin’s theory and did not believe in the transmutation of species.
  7. 15. The plane which separates the anterior and posterior portions.
  8. 16. He wrote the book in which the theory of evolution by natural selection was based from.
  9. 18. Groups that include the ancestor and all of the descendant groups
  10. 21. The kind of systematics that classifies species based on the most obvious similarities between them.
  11. 24. A state wherein traits are inherited from the most recent common ancestor.
  12. 25. The Mississipian and Pennsylvanian periods are also known as?
Down
  1. 1. Refers to how the part is used in the environment during the course of the organism’s life history.
  2. 3. It recognizes similar features that look alike, but was not inherited from a common ancestor.
  3. 4. In truly segmented animals, it sequentially subdivides the hydrostatic skeleton into a series of internal compartments.
  4. 5. The process that divides a body into duplicated sections.
  5. 8. He recognized that organisms are complex functional wholes.
  6. 9. He referred to the vertebrate evolution as the “vertebrate story.”
  7. 10. An example of this is the wings of a bat and the arms of a human that are composed of the same bones namely radius, ulna and humerus.
  8. 13. The period when the first vertebrates appeared.
  9. 17. It is restricted to mean the action or property of a part as it works in an organism.
  10. 19. Groups that include a common ancestor and some, but not all of its descendants.
  11. 20. He proposed a progressive change in species along an ascending scale, from the lowest on one end to the most complex and perfect.
  12. 22. A biological blueprint upon which an organism was built.
  13. 23. Huxley was associated to this animal for his advocacy to Darwin's theory of evolution.