Answer:
2) JG cells are present in the vasa recta.
Explanation:
The vasa recta is a web of the blood capillary which supply blood to the medulla region of a kidney due to its high permeability of solutes and water. It runs parallel to the loop of Henle. It does not composed of the juxtaglomerular cells (JG cells). The juxtaglomerular cells (JG cells) present in kidney which synthesise and stores enzyme renin. Thus, option 2) JG cells are present in the vasa recta is not a true statement.
Answer:
More and more of the medium ground finch population would develop the characteristic of having a thick beak for breaking larger seeds. It would be a small amount of them having the characteristic at first, but then gradually the amount would increase until all of them keep this characteristic.
This is an example of natural selection and adaptation. The two words are related, in a way. Natural selection is when a species change over time with a characteristic that helps them adapt better to their environment. The medium ground finch population has to adapt in the change of environment through natural selection of getting the characteristic of thicker beaks for bigger seeds. Developing this characteristic will help more survive and reproduce, allowing the natural selection process to take place easier and quicker.
Explanation:
Explanation:
Environment affects animal behavior by changing the availability of survival resources like food & shelter, as well as situational things like proximity to human activity. Sometimes the same species of animal will behave completely differently in a forest environment compared to an urban environment.
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Answer:
Hope this helps :)
Explanation:
Different animals display different needs for different foods depending on their species. For example, a human will eat meat if they need protein and they will eat lemons if they need citrus. Animals are the same way. The animals will eat different foods depending on their needs and preference.
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Answer: Previous long term unrestricted hunting and habitat loss.
Explanation:
Ecosystems are communities of living organisms and non-living and how they relate to their physical environment and other non-living components. Human interactions with an ecosystem can be disruptive, reducing biodiversity- the number of different species of organisms.
War may be a very disruptive human activity. During 15 years of war, the wildlife in Mozambique was hunted for food, and sold as trophies to fund the war. Lions were hunted for sport, or died out after their food sources disappeared.
Biodiversity recovery takes time, however. As communities are reestablished, and lion species reintroduced, the increases in varied species act as food sources for lions to prey upon, lion populations would catch up recovering from unrestricted hunting and habitat loss.
A. The avian influenza strain could be transmitted easily from human to human.
B. An epidemic would likely ensue due to the lack of immunity to the new avian influenza strain.
C. The avian influenza strain could be transmitted directly from birds to humans.
D. The avian influenza strain would only infect the lower respiratory tract of humans.
Hint: Alpha-2,6 sialic acid is expressed throughout the human respiratory tract.
Answer:
Of the mentioned statements, the incorrect one is option D.
Explanation:
The normal H5N1 strain or the bird flu virus when get attached with the alpha 2,3-sialic acid results in the infection of the lower respiratory tract in humans. The condition occurs very rarely. In comparison, the H1N1 or the human influenza strain gets attached with alpha-2,6 sialic acids and easily results in the infection of the upper and lower respiratory tract.
However, if the mutation takes place in the H5N1 strain, it can bind with the alpha-2,6 sialic acid and can result in the overall infection of the human respiratory tract. Now due to the occurrence of mutations in the H5N1 strain, bird flu can get transmit easily from birds to humans and from one human to another human. Also due to lack of immunity because of the emergence of new strain, the condition can become lethal as, like normal flu, the mutated strain can also result in the infection of the entire respiratory tract.
Answer:
Just convert, 37 degrees Celcius into Fahrenheit is: 98.6