What hormonal change occurs after fertilization that causes the endometrial lining to remain intact so that the fertilized egg can successfully implant in it? a. the pituitary gland secretes oxytocin, which maintains the endometrial lining. b. the pituitary gland secretes follicle stimulating hormone, which acts on the follicles and stimulates them to produce progesterone. c. the hypothalamus secretes gonadotropin releasing hormone, which maintains the endometrial lining. d. the developing embryo secretes human chorionic gonadotropin, which prevents the corpus luteum from disintegrating. e. the developing embryo takes over the production of progesterone after the breakdown of the corpus luteum to maintain the endometrial lining.

This map shows how climate change might affect precipitation patterns in the great plains of the united states by the end of this century. brown shoes a decrease in percipitation, and blue shows an increase. the maps differ based on the predictive levels of green house emissions. the maps shows that northern area should get a. more pracipations regardless of emmissions b. less pracipation, regardless of emmissions levels c. more precipitation, but only when emission levels. southern areas show a. more pracipations regardless of emmissions b. less pracipation, regardless of emmissions levels c. more precipitation, but only when emission levels. to use these maps to prepare for natural disasters in the great plains, scientist need to ask? a. how many tons of emissions were used at the basis of the map. b. which types of fossil fuels are used in the great plains c. if you think the above is wrong it's probly c the question is cut off

Milk production during breastfeeding is increased by the suckling of a newborn from his mother's nipple. this type of feedback mechanism best describes a positive or negative

What is the process of a new plant growing from its seed into a seedling? primary growth fertilization pollination germination