What is the characteristic of the gastrula stage of embryo development? select one of the options below as your a. formation of the neural tube and nervous system b. formation of the three germinal layers and the primitive gut c. formation of the amniotic cavity and archenteron

Which statement best describes a typical difference that could be found between the "analysis" and "conclusion" sections of a lab report? a) only the "conclusion" describes errors that occurred during the experiment, and only the "analysis" section suggests further research.b) only the "analysis" section includes specific data comparisons, and only the "conclusion" section suggests further research.c) only the "analysis" section discusses whether the original hypothesis was supported, and both sections include graphs of data.d) only the "conclusion section discusses whether the original hypothesis was supported, and both sections suggest further research.(the answer is b i just took the test)

Connection compare and contrast genetic engineering to the process of natural selection. select all statements that are true.

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