Compared with environmentally impoverished rats,those rats housed in enriched environments experienced a dramatic increase in the number of their

A) Y chromosomes.
B) schemas.
C) synapses.
D) sex hormones.

Enriched Environments

Settings or conditions that provide increased sensory, cognitive, and social stimulation, which are thought to enhance learning and development.

Synapses

The junctions between neurons through which they communicate with each other, transmitting signals via chemical or electrical means.

Y Chromosomes

A type of sex chromosome, present typically in males, that is involved in sex determination; males have an XY genotype, while females have XX.