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coral reefs are communities of hundreds of thousands of tiny animals called coral polyps. ... The reefs are built up as new corals attach atop the skeletons of dead animals. These coral reefs play a fundamental role in protecting coastlines from erosion and contribute to the formation of white sandy beaches.
Explanation:
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The tissue to have cells with the greatest number of gap junctions is the cardiac tissue.
Cardiac tissue refers to the involuntary, striated tissue present in the heart. It is made up of individual heart muscle cells called the cardiomyocytes. They are joined together by intercalated discs which contain the gap junctions. Gap junctions are the specialized intercellular connections which link the cytoplasm of two cells. Gap junctions play a crucial role in regulating the velocity and safe impulse propagation in the heart. They are abundantly found in the cardiac tissue helping in direct transmission of the deplolarizing current from cell to cell across the chambers of the heart. The signals for contraction of the cardiac muscle is passed through these gap junctions.
Hypercalcemia is a condition in which the calcium<span> level in your blood is above normal. </span>Too much calcium<span> in your blood can weaken your bones, create kidney stones, and interfere with the way your heart and brain works. Hypercalcemia most commonly results from overactive parathyroid glands.</span>
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The answer is the second option: a Biotic Community
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Eukaryotic cells contain membrane-bound organelles, such as the nucleus, while prokaryotic cells do not. Differences in cellular structure of prokaryotes and eukaryotes include the presence of mitochondria and chloroplasts, the cell wall, and the structure of chromosomal DNA.
Explanation:
Eukaryotic cells contain membrane-bound organelles, such as the nucleus, while prokaryotic cells do not. Differences in cellular structure of prokaryotes and eukaryotes include the presence of mitochondria and chloroplasts, the cell wall, and the structure of chromosomal DNA.