Like all other heterotrophs, it eats and goes through cellular respiration.
Fish fossils occur in sediments deposited underwater. That could be sea bottom, lakes, or rivers. Generally, seabottom sediments are raised to the surface by tectonic uplift. Also, when sea level falls during ice ages, sea bottom sediments are exposed to the atmosphere.
The answer will be B. It is common sense
Answer:
A nucleosome forms hydrogen bonds with the phosphodiester backbone and with bases <em>(via the minor groove) </em>of dna.
This helps slightly immobilize the outer surface of the membrane and make it less soluble to very small water-soluble molecules that could otherwise pass through more easily. Without cholesterol, cell membranes would be too fluid, not firm enough, and too permeable to some molecules. (www.cholesterol-and-health.com/Cholesterol-Cell-Membrane.html)
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