How to make restriction enzyme cuts

Which worm has eyespots that are used to detect light? a fluke b marine worm c planarian d tapeworm

When a population split into two subgroups what is most likely to cause the subgroups to develop different traits?

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.