Jenna and Allen are both correct. Homeostasis refers to certain processes that take place to keep the body in normal or stable state. Maintaining the body temperature at normal measurement is an example of homeostasis, as well as increasing breathing rate when exercising. Breathing and heart rate is increased to deliver oxygen and glucose to the body more quickly and remove carbon dioxide wastes.
Answer:
The correct answer is option (d)-"All of these are found in the fossil record and have been used by scientists to understand human evolution".
Explanation:
There is plenty of evidence that supports the proposal of how humans has evolved during past times. The fossil records that scientists has used understand human evolutionary patterns include the following. Ardipithecus ramidus bones that revealed advances in upright walking, even tough they had a small brain that measured between 300 and 350 cm3. Australopithecus lack of an opposable big toe suggest that they lived on the ground instead of in trees. Homo erectus was the first species to use and control fire, as suggested by evidence of microscopic traces of wood ash.
I'm for certain the answer is a.) b<span>oth viruses and bacteria are invisible to the naked eye.
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