Bisexuality is an attraction to and interest in forming romantic relationships with members of one's own sex

Considerable thickening of synaptic connections occurs around the time puberty begins during a process neuroscientists call ____

a. overproduction b. pruning c. myelination d. synaptic expansion

Megan's parents hoped that she would learn to walk at an early age, so they gave her lots of time in an infant walker. According to studies of locomotor development, the most likely result will be that Megan will

a. be an early walker b. learn to walk later than infants who spend little or no time in an infant walker c. develop a range of gross motor skills at an early age d. not be affected by the time she spent in the walker