Which statement accurately contrasts invertebrates and vertebrates?

A. Invertebrates have a backbone; vertebrates lack a backbone
B. Invertebrates have endoskeletons; vertebrates have exoskeletons.
C. Invertebrates have exoskeletons; vertebrates have endoskeletons.
D. Invertebrates lack a backbone; vertebrates have a backbone.

What is a traditional chinese touch therapy involving finger pressure applied to specific areas of the body to restore the flow of qi.

Pink fur (p) is dominant to purple fur (p) in hamsters. two heterozygous pink hamsters are crossed. what is the probability that these two parents will have an offspring with purple fur? 2/4, 1/2 or 50% 1/4 or 25% 3/4 or 75% 4/4 or 100% there is no chance for this type of offspring

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.