Because the share the characteristic from there parent's
<span>Epithelial tissue is densely packed cells that used most in the area where protection is needed. This cells mostly used in skin, some with more keratin which will increase their ability to protect. In bone, the main protective layer is calcium mineral which was deposited by osteocytes. Because this bone doesn't really need more epithelial cells. Bone tissue only needs a good vascularization and connective tissue to support it.
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Cellular respiration results in decreased biomass for a plant. <span>In cellular respiration glucose and oxygen yield
water and carbon dioxide. So, carbon dioxide is released in the into the air instead of forming organic molecules which could increase the biomass.</span>
To know where it rightfully belongs to. Variation of certain traits is caused by multiple factors of an individual of the same kind. Depending on their physical appearance, their environment and nature of survival.
Hope this might help.
