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