Flower Dissection Select Ruler from the Tools to measure the petal, anther, filament, pistil, and ovary. Record these measurements in Table A of the
Student Guide. Select the Magnifying Lens to read the ruler. Select Continue when done.
Tools
15
14
13
Metric ruler
12
Magnifying
lens

Which of the following is an advantage of using embryonic stem cells in medical research? a. the use of embryonic stem cells is much less expensive than the use of adult stem cells. o b. no living tissue is damaged when scientists use embryonic stem cells. o c. embryonic stem cells are able to differentiate into a wider range of cells than adult stem cells. d. there is no controversy surrounding the use of embryonic stem cells.