Life history (Chapter 5)

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Across
  1. 3. Composed of more than one layer of cells
  2. 4. Vertebrates whose embryos possess extraembryonic membranes
  3. 5. Cells specialized to secrete a product
  4. 7. Includes bones divided into skull, vertebral column, and thoracic case regions.
  5. 11. The genetic mak-up of an individual a
  6. 14. Where separate bone or cartilage elements make contact.
  7. 17. Radical and abrupt postembryonic change in structure
  8. 20. Specialized type of calcification unique to vertebrates
  9. 22. is the act of giving birth via viviparity.
  10. 23. Without amnion, include fishes and amphibians
  11. 25. Tiny spaces where “osteocytes” is found
  12. 26. Cylindrical structure that provides strength and support to bone.
  13. 27. Formed closely of adjoined cells with very little extracellular matrix between them.
  14. 28. Pertaining to eggs that contain small quantities of stored yolk.
  15. 29. A composite structure formed in part from tissues of the fetus and in part from tissues of the mother.
  16. 30. The change in time at which a characteristics appears in the embryo relative to its appearance in a phylogenetic ancestor
  17. 31. Solid ball of cells from division of a fertilized ovum.
  18. 34. If they resemble juveniles of their ancestor. It exhibit early offset, grow slower, or begin development relatively late.
  19. 35. Female gamete
  20. 36. Phase of embryonic development that starts at the end of gastrulation and continues until birth.
  21. 37. Organisms are more than just the products of genes
Down
  1. 1. Firm but flexible special connective tissue
  2. 2. A solid ground substance that is effective in resisting compressive forces.
  3. 6. Known as bone breakers
  4. 8. Are the cells resulting from these early cleavage divisions of the ovum.
  5. 9. Stimulates the other germ layers to form parts of organs.
  6. 10. Vertebrates laying eggs encapsulated in such shells or other tertiary egg envelopes.
  7. 12. Early mitotic divisions restricted to the animal pole.
  8. 13. Type of mineralization occurs early during bone development, bone repair and in some fishes.
  9. 15. Early embryonic stage during which the basic gut is formed
  10. 16. The emergence of individual and behavioral characteristics through growth processes over time.
  11. 17. Pertaining to eggs with large quantities of stored yolk.
  12. 18. Male gamete
  13. 19. A pole where most yolk resides.
  14. 20. Known as bone makers
  15. 21. Early mitotic divisions restricted to the animal pole.
  16. 22. Wherein a feature grows longer, grow faster or begins development
  17. 24. Vertebrates giving birth to embryos without such shells.
  18. 32. Changes in an organism from zygote to death
  19. 33. Specialized connective tissue in which calcium phosphate and other organic salts are deposited in the matrix.