The Experiments with Rats Living in Highly Crowded Cages Suggest

Multiple Choice

The experiments with rats living in highly crowded cages suggest that​

A) ​overcrowding leads to differences in the social interactions among rats.
B) ​overcrowding causes short life spans for most rats in crowded conditions.
C) ​rats become more fertile, hence leading to even more crowded conditions.
D) ​crowding eventually reduces the population to about 1/10 of its original size.