Which of the following most accurately summarizes the findings of the 40-year fox-breeding study described in the text?

A) Wild foxes cannot be domesticated.
B) "Survival of the fittest" seems to operate only when animals live in their natural habitats.
C) By mating aggressive and unaggressive foxes,the researchers created a mutant species.
D) By selecting and mating the tamest males and females,the researchers have produced affectionate,unaggressive offspring.

Fox-Breeding Study

A series of experiments aimed at investigating the process and implications of domesticating wild foxes, focusing on behavioral and physiological changes over generations.

Wild Foxes

Wild foxes are small to medium-sized, omnivorous mammals belonging to several genera of the family Canidae. They are known for their bushy tails, pointed ears, and ability to adapt to a wide range of environments.

Domesticated

Describes animals or plants that have been selectively bred and adapted over generations to live alongside humans for agricultural, work, or companionship purposes.