Answer:
The ability of cortisol and other stress hormones to cross the placenta
Explanation:
Pregnant women who experienced traumatic events of September 11, 2001 can transmit these to the unborn child. Women who developed PTSD due to the attack were found to have lower cortisol levels in their saliva compared to other pregnant women who experienced the attack but didn't develop PTSD.
Children born to women with PTSD were also found to have lower levels of cortisol than the others. These children born to traumatic mother's showed evidence of higher reactivity to stimuli and aggressive behavior.
According to Research, the probability of this happening is due to epigenetics mechanism- this is the study of inherited changes in gene activity that is not caused by changes in the DNA sequence.
Answer:
Answer: Man during the old stone age was primarily hunter and gatherer, whereas, present-day man is engaged in a number of economic activities. 2. Stone age man lived near the sources of their needs whereas, modern man lives anywhere (due to the advancement of technology).
Explanation:
correct me if I wrong
When Andrew Jackson was President he successfully established the spoils system. The spoils system is when family or friends of the president or vice president get government jobs even when other people are qualified to do the same jobs.
a) the spoils system
True, this should be the correct answer. Good Luck!