Answer:
A) can bring economic benefits and food security to many developing regions
Explanation:
Breeding, rearing, and harvesting of aquatic plants and animals to sell them and gain economical benefit is called aquaculture. Aquaculture provide many type of benefits like it helps in increasing the global food production therefore it bring food security to many developing region.
It provides a cheap source of protein to the world population. It creates jobs and helps in increasing the economy of a country because it can bring a large amount of money with a small investment. Therefore the correct answer is A.
Unlike roots, stems____.
Answer: Out of all the options presented above the one that completes the statement above and makes it true is answer choice B) have ground tissue. Therefore Unlike roots, stems have ground tissue.
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Answer: the sixth stage in a low mass stars life, the remains of the red giant is a glowing ball of gas about the size of earth. Nuclear fusion has stopped and the gas begins to cool.
Explanation:
Answer:
Parathyroid hormone is released when dietary calcium levels are low.
Explanation:
Parathyroid hormone is considered to be a vital hormone involved in regulating the calcium levels of the body. The hormone is secreted by parathyroid glands which are located behind thyroid glands in neck region. This hormone regulates the calcium level of the body by putting its action through bones, intestine and kidneys.
In actual there is a negative feedback system in the body through which parathyroid levels are controlled. When calcium levels in the blood get very low, the gland is stimulated to secrete more parathyroid hormone while when calcium is very high in the blood, it prevent the release of parathyroid hormone.
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