The blastocyst is comprised of three layers. which of these layers will develop into the digestive and respiratory systems? a. ectoderm b. maxoderm c. endoderm d. mesoderm

15 min. leftread about what these classmates had for lunch and identify the missing terms. mark eats whole-wheat pasta mixed with vegetables for lunch. for dessert, he has a cherry popsicle. the whole-wheat pasta and fresh vegetables will be digested (faster than, slower than, at the same rate as) the popsicle.

According to the national health and safety standards: guidelines for out-of-home care, what is the proper adult-to-child ratio for children younger than one year? a. one adult to one child b. one adult to two children c. one adult to three children d. one adult to four children

You’ve been accused of cheating on a test. another student claims to have seen you copying answers from others. you know that you are innocent. last week, you met with the accusing student and your teacher to try to resolve the situation. the negotiation only created more resentment and confusion. which level of conflict resolution is most appropriate at this point in time? a. organize another negotiation with your teacher. b. refer the case to your school’s peer mediator. c. contact the superintendent of your school district. d. switch schools so your safety is not compromised.