"A person breeds guinea pigs in a cage. After a few generation, the breeder observes that the guinea pigs are more aggressive towards each other, the young are less healthy and more young guinea pigs die. What do you think will happen to the population of the guinea pigs?
a. The population will remain the same.
b. The population will increase.
c. The population will decrease.
d. The population is not affected."



C. The population will decrease.