On average a toddler sleeps ____ hours per day

Although the male ejaculate contains hundreds of millions of sperm, ________.

a) most do not reach the oocyte b) most are destroyed by the alkaline environment of the uterus c) it takes millions to penetrate the outer layers of the oocyte d) most are destroyed by capacitation

It's Lucia's first time at an amusement park. She and her family are getting ready to ride the merry-go-round. Lucia doesn't want to go fast, so she asks her sister where she should sit if she wants to go slow

According to Levin, Siegler, and Druyan (1990), Lucia's sister is likely to tell Lucia that ___. a. she should sit closest to the inside of the merry-go-round b. she should sit closest to the outside of the merry-go-round c. she can sit anywhere because all the horses on the merry-go-round travel at the same speed d. she should sit on a gray horse