In the course of evolution, which of the following is true about the human brain?a.Modern humans have a brain size between 0.7% and 1.0% of their body mass.b.Homo sapiens brain uses 25% of the resting energy requirement.c.Australopithecus have a brain size between 1.8% and 2.3% of their body mass.d.The pre-humans brain uses 80% of the resting energy requirement.

Weighing about 3 pounds in the average adult, the brain is about 60% fat. The remaining 40% is a combination of water, protein, carbohydrates and salts. The brain itself is a not a muscle. It contains blood vessels and nerves, including neurons and glial cells.

At birth, the human brain is:Group of answer choicesas big as it's going to gethalf the size of an adult'sstill developing at the rate it did in uterotwo-thirds the size of an adult's

The larger brain size found in the order PrimatesGroup of answer choicesresults in shorter developmental periods to accommodate the necessary energy expenditures of larger brain size.demonstrates the importance of intelligence in primate evolution.demonstrates the importance of intelligence in primate evolution AND results in extended periods of nursing and development.results in extended periods of nursing and development to accommodate increasing behavioral complexity.

The largest part of the brain in humans is the Blank______.Multiple choice question.cerebellumbrainstemcerebrumdiencephalon

Homo Sapiens and chimpanzees share 98.8% of their DNA and are believed to have had a common ancestor 6 to 8 million years ago.  Which of the following statements is true? achimpanzee brains are larger than modern human brains bthe modern human's mouth is smaller than a chimp's cthe modern human's teeth are smaller than a chimp's dthe chimp's palate is round while a modern human's in oval shape e"A" and "C" f"B" and "C" g"A" and "D" h"B" and "D" i"A" and "D" j"A", "B", "C", and "D"