The __________ is a fluid-filled sac that cushions the embryo and maintains a constant temperature

You and your partner are looking at the papers that your daughter has brought home from her first week of kindergarten. The teacher writes that children will be reading full books and guessing at words they don't know. What do you say?

a. "Oh! I remember this from my developmental psychology class. It's called the phonics approach." b. "This is a great approach for our daughter because she already knows how to read." c. "This is the best way to teach children to read at the beginning; I'm so glad they're using this technique." d. "This approach is horrible. Studies show that this way of teaching reading does not have any positive outcomes."

Which of the following statements is true?

a. Situations can cause rises and falls in testosterone levels. b. Testosterone is always the cause of aggressive behavior in situations. c. Pregnant women have a higher baseline level of testosterone than men. d. High levels of testosterone are almost always associated with violent behavior.