To Demonstrate the Impact of Different Environmental Experiences on the Brain

Multiple Choice

To demonstrate the impact of different environmental experiences on the brain, one group of rats was raised in a complex environment, while another group of rats was raised in a simpler environment. When their brains were compared, the rats raised in the more complex environments had

A) fewer synapses and shorter dendrites.
B) more synapses and longer dendrites.
C) fewer axons but more neurilemma.
D) less myelin and less neurilemma.