Explain how poaching can contribute to the over utilisation of a species

In which case would a scientist choose to use a dissecting microscope rather than a compound microscope

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?

Describe the two types of vascular tissue