During conversations, older preschoolers begin to get master eye contact, pausing and listening, maintaining attention, and taking turns. These behaviors can me classified under:

A good number of four and five-year-olds can distinguish rhyming words.

Being presented with an unknown kiwi fruit and told to eat it, a preschooler refuses saying, “No, it’s ugly” because he is probably:

Which is not a feature of preschooler language during play?

While there is no evidence of a “gay’ gene for several decades there has been evidence for a link between ______________________ and male homosexuality.

The gonadotropins LH and FSH come from the _____________________________ and target the ____________________________________.

In male infants the prostate develops from

Which of the following is NOT an organizational effect of gonadal hormones?

In order to have a phenotypic and fertile female requires

What is the inferred function of frills in ceratopsians?