Which test is performed as early as week five and allows access to the fetal circulation and direct visualization of the embryo, permitting the diagnosis of malformations?

Dr. Moussai observes that bees sacrifice their lives to protect the hive, and a dog cowers in the corner after wetting the carpet. Dr

Moussai concludes that many morally relevant behaviors have evolutionary roots, which coincides with __________ theory(ies) of human social behavior. A) Piaget's B) social learning C) biological D) Kohlberg's

A difference has been found in the size of which part of the brain in homosexuals and heterosexuals?

a. hippocampus b. hypothalamus c. thalamus d. amygdala