Abirth defect known as spina bifida results from the incomplete closure of the embryonic neural tube. which germ layer is affected?

a) myotome
b) mesoderm
c) ectoderm
d) endoderm

How do your peer relationships affect your overall health status? what can you do to improve your peer relationships?

Which of these is a sexual stereotype? a) on average, males are taller than females. b) people over the age of 60 are not interested in sex. c) male hormone levels differ from those of females. d) there are more male representatives than female representatives in congress.

When calculating the daily protein needs for marathon runners or competitive weightlifting, you should allow for approximately grams of protein per kilogram of body weight