Answer:
Explanation:
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Adaptations make different species unique and able to survive and thrive in their own habitat. For example, hibernation is a behavioral adaptation that grizzly bears have. ... Though they are in dens and slowing down, even female polar bears don't exhibit true hibernation but can go up to 8 months without eating.
Answer:
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Explanation:
Though The first Homo Sapiens were born about 200,000 years ago, the modern man left Africa 60,000 years ago to penetrate every corner of the world. It is hard to find that the distance and time of their travel. According to the anthropologist and paleontologist, the human took nearly six hundred generations to leave their African homeland to settle the world. It is also known as ‘’The great human migration’’.
Here is the source: The Genographic Project, National Geographic Smithsonian Magazine, University of Oxford.
The answer is definitely B.
Answer: Option A
Explanation:
Homeostasis can be defined as the condition in which the body maintains the equilibrium inside the body with respect to the changing environment.
Maintaining the adequate amount of oxygen in the body is also a part of homeostasis.
When the oxygen level in the body goes below normal then the heart rate of the body increases. This supplies more oxygen and the level in the body is maintained.
This condition is an example of homeostasis in the human body.