what exactly is a different in following pictures A and B and need to be done to maintain the situation in picture B​

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 are the student's observations and inferences before he starts his investigation?

Apuppy’s tendency to chew is inherited through which of the following? a. through learned behavior b. through genes c. through seasonal cycles d. through hibernation