There is a big difference. A polysomnograph is only capable of measuring the electrical activity associated with eye movement, in particular during sleep. An EEG measures the electrical current that are passing in your brain and is not limited to sleep medicine but neurology and diagnostic medicine. You'd use a poly. During sleep studies.
Answer: homeostasis
Explanation:
Homeostasis refers to the ability of an organism or environment to maintain a state of internal balance and physical wellbeing in spite of changes or outside factors.
Answer:
Option B
Explanation:
In the book The Descent of Man published in 1871, Charles Darwin mentioned that the two recent most ancestor of present day human being live in Africa. These two recent ancestors of human beings are—chimpanzees and gorillas
Hence, option B is correct
Answer:
E
Explanation:
They need energy to do all these necessary feats.