Answer:
Changes in gene expression
Explanation:
This phenomenon is the result of changes in gene expression. That means, how the information in the DNA is used by the cell. The genes that are active in the cells of the brain will be very different from the genes that are active in the cells of the bone marrow.
These patterns of gene expression are different for each cell, and dictate the identity of that cell. Gene expression patterns are controlled by a variety of factors in the cell that allow tissue-specific expression, such a transcription factors.
This can also be facilitated by another layer of regulation called epigenetics, which literally means "on top of" genetics, and refers to modifications of DNA (and the proteins around it), that can reflect and influence the activity of the genes within.
<span>The correct way to classify organisms is as follows :Kingdom, such as Eukaryote, Phylum such as Animalia, Phylum such as Chordata, class, order, genus and family are mostly used for classification purposes in taxonomy and species, such as Oreochromis mossambicus, which is the mozambique tilapia.</span>
The endocrine gland that primarily controls the body's normal temperature as well as having it set to a homeostatic set point of 37 degrees Celsius is the hypothalamus, specifically, the anterior hypothalamus which primarily functions as a thermoregulator.
<em>Genetic codes contains <u>ORGANISMS.</u></em>
