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- QUESTION
Most Current Event (CE)#6 – Initial post due by Tue, 7 July @ midnight; student response due by Fri, 10th July @ midnight.
Current Events Rubric
Current Events – There will be 10 Current Events (CE), one every week, posted in the Discussion section no later than Tuesday afternoon and must be an event posted between one to eight days. You will be required to research and summarize one geography-related news story per week from the popular media and post a brief summary of this story. Except for the first week, your Current Event posting is always due by Tuesday @ midnight. You must also respond to at least one other student’s Current Event posting by Friday @ midnight. Your initial post must be at least 300 words, and your student response at least five complete sentences. You will not receive any points for your student response unless you have first submitted
Subject | Biology | Pages | 2 | Style | APA |
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Answer
Current Event: Rising Water Temperatures could endanger the Mating of many Fish Species
Rising water temperatures could endanger the mating of many fish species is the current news published in daily science by Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research. Published on 2nd July 2020. The research institute asserts that the rising temperatures is likely to force about 60 percent of species of fish from their niches to other places that may ultimately lead to their death.
It is important to note that with high temperatures in water bodies, the circulation of oxygen is reduced which makes oxygen inadequate for use by fish. On the other hand, as a result of global warming, the earth’s temperature has been increasing which ultimately raises the temperature of water bodies. The study reveals that high temperatures affect adult fish during mating time and the embryos as well. During mating, fish produce sperm and eggs and this additional mass needs to be supplied with oxygen, which is why even at lower temperatures, their cardiovascular systems are under enormous strain. On the other hand, the embryos lack gills that can allow them to take more oxygen, hence require more oxygen in order to survive. With insufficient oxygen, both adult and embryos are likely to die. According to the article, species that would escape death would then be forced to adapt through evolution, something that may take a long time. This implies that certain species of fish that are known today may not be present in future since some of them will die while others will evolve to look different. Alternatively, the study reveals that there is a likelihood of fish migration in order to find the best habitat and niches that favor their existence.
References
Rising water temperatures could endanger the mating of many fish species. ScienceDaily. (2020). Retrieved 6 July 2020, from https://www.sciencedaily.com/releases/2020/07/200702144711.htm
Appendix
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