The Amazing History of Dogs

Both articles explain . . .

• why people own more dogs than cats.

• how the gray wolf and the dog are connected.

• why dogs became so important to people.

• how domesticated animals first developed.

Which line from the article supports the answer to question 6?

• “This shows that dogs try to understand us.”

• “Both the human’s and the dog’s brains release a chemical that makes them feel close.”

• “Americans have embraced other pets too.”

• “Today, nearly 50 percent of American families own at least one dog.”

What causes humans and dogs to feel close to each other, according to new research?

• the need for working dogs

• the large number of dogs in the world

• a similarity between their bodies

• a special chemical in their brains

What is the main idea of “How America Went DOG Crazy”?

• Americans did not always provide good health care for their pets.

• Over time, Americans have developed a powerful connection with their pet dogs.

• Long ago, Americans did not own many dogs.

• Dogs worked on farms and in cities.

Which phrase best describes the new breed of wolf that developed?

• larger and smarter

• smaller and meaner

• gentler and calmer

• tougher and fiercer

What does morphed mean in the sentence“This does not mean that a fierce wolf suddenly and magically morphed into a yapping Chihuahua with a pink bow”?

• changed

• slipped

• charged

• snuggled

Which line from the article best supports the answer to question 1?

• “Eventually, a new kind of creature had developed: the dog.”

• “. . . something beautiful was born: the friendship between humans and dogs.”

• “At that time, many animals—including the wolf—posed a threat to humans.”

• “. . . humans put dogs to work in new ways.”

Which of the following sums up a main idea of “How the Wolf Became the Dog”?

• Long ago, our human ancestors hunted with domesticated animals.

• Scientists are still learning about saber toothed tigers.

• Egyptians turned their dogs into mummies.

• Over thousands of years, humans and dogs developed a special bond.