The first 2 weeks after fertilization are called the __________
a) germinal period
b) fetal period
c) embryonic period
d) ectoderm period
Answer: a
You might also like to view...
"S," who had a photographic memory that was described as virtually limitless, was able to achieve many feats of memory. According to the discussion in your text, S's memory system operated
A. in a manner that bypassed normal neurological "blocks." B. less efficiently than normal. C. using more visual encoding than normal. D. using stronger semantic connections than normal.
What is the main benefit of physical activity on the heart?
a) It lowers cholesterol levels, thus preventing atherosclerosis. b) It is proven to universally reduce stress which can have a negative effect on the heart. c) It makes the heart a more efficient pump. d) It increases the absorption rate of high blood pressure medicine.
The American College of Sports Medicine and the Center for Disease Control and Prevention recommend that people should accumulate
a) 10 minutes of moderate physical activity at least 7 days a week. b) 60 minutes of moderate physical activity at least 4 days a week. c) 30 minutes of moderate physical activity at least 2 days a week. d) 30 minutes of moderate physical activity at least 5 days a week.
Researchers have found that among schoolchildren, as the amount of time they spend
reading increases, so do their grades. This is an example of a(n) ______. a. positive correlation c. additive correlation b. negative correlation d. statistical anomaly