"You never . . . " is an example of ____

In the educational teaching method ___________, children work together in groups to achieve a common goal

a. assisted discovery c. reciprocal teaching b. cooperative learning d. the zone of proximal development

The spongy tissue that grows out of the trophoblast layer and into the uterine lining is called the

A) blastocyst. B) placenta. C) germinal layer. D) amniotic sac.