Which of the following is NOT an example of artificial selection?
O A Grass seed cultivated by humans has become the wheat of today.
OB. Fuzzy feathered chickens are funny-looking farm animals.
OC. A farmer spends a lifetime breeding cows that give the most milk for the least feed.
O D. Hummingbirds adapted to eating sugary nectar from flowers by growing long beaks and tongues.
O E. Humans have created cats and dogs that do not cause allergies