Explain the difference between the functions of the osteoblasts and osteocytes?
What will be an ideal response?
Osteoblasts are known as the bone forming cells that will deposit calcium salts into the matrix of the cartilaginous skeleton. This process is known as endochondral ossification. Osteocytes are osteoblasts that have been converted. These cells live within the lacunae of the osteons where they play a role in the timing and location of bone remodeling.
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If you cross two pea plants, one with green peas and the other with yellow peas, you find all of the offspring have yellow peas. You conclude
A. yellow is dominant over green. B. yellow is incompletely dominant over green. C. color is random in pea plants. D. green is dominant over yellow. E. yellow and green are codominant.
The bittern in the above figure is using ____ for protection
a. mimicry b. display behavior c. warning coloration d. chemical defenses e. camouflage
The change in frequency of traits in a population is known as _____________
Fill in the blank(s) with the appropriate word(s).
Why might the xiphoid process be missing from the sternum in a set of human remains?
a. The remains are from an adult younger than 40 years of age, and the hyaline cartilage does not preserve as well as bone. b. Because the xiphoid process may be broken off if the individual had been given CPR c. Because the xiphoid process shrinks with age d. Because the xiphoid process is small and does not articulate with any other bones