I need to know the answers to these questions

Anurse is caring for a 42-year-old client who is scheduled for an amniocentesis during the fifteenth week of gestation because of concerns regarding down syndrome. what other fetal problem does an examination of the amniotic fluid reveal at this time?

_tissues respond quickly to outside stimuli a) epithelia b)nervous c)muscular d)muscular and nervous

What do transitional fossils best support?