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Calcitonin is ahormone that is poduced in humans by the parafollicular cells (other wise known as c-cells) of the thyroid gland. Therefore, inhibition of the osteoclasts directly reuces the amount the amount of calcium released into the human blood. This is just a simple explanation so now all you have to do is understand what will happen when you combine calcitonin and parathyroid.
The correct answer is D. These is large amount of biodiversity in the chaparral
The chaparral biome consists of different types of terrain such as mountains and plains. This biome is similar to the desert biome due to hot and dry conditions prevail in both the biomes, but chaparral biome receives more rainfall than the desert biome. This biome is characterized by having both forests and grassland with a large amount of biodiversity. The vast biodiversity insulate the biome from loss of single a single species. Thus, the chaparral biome is not too sensitive to the loss of a single species.
The government, makes decisions for environmental issues.