In comparison to the cortices of rats that had been reared in enriched environments,the cortices of rats that had been reared by themselves in barren cages
A) were thinner.
B) had less dendritic development.
C) had fewer synapses per neuron.
D) all of the above
E) none of the above

Question

Quizplus · Accepted Answer

Studies have shown that rats reared in enriched environments have thicker cortices, more dendritic development, and a higher density of synapses per neuron compared to rats reared in barren environments. Therefore, the correct choice is D, as all of the above statements are true.

In Comparison to the Cortices of Rats That Had Been