This is one way of writing the main ideas for today’s quiz. There are many other ways to say this.

1	Dogs, animals, Owners	Scientists are studying how dogs are able to understand their owners, an ability that other animals don’t seem to have.
2	Dogs Wolves chimpanzees	In one test, the researchers tried to communicate with dogs, wolves, and chimpanzees by using body language.
3	Dogs, wolves, chimps, chimpanzees Differences	The first experiments showed unexpected differences between these animals.
4	People Dogs Faces Wolves Hungarian	The studies showed that dogs and wolves are very different, even though dogs evolved from wolves.
5	Dogs Wolves Hungarian Socialized	The scientists were careful to make sure that the wolves and dogs had similar life experiences.
6	experiment	After showing the animals what to do in another test, the researchers changed the experiment to fool the animals.
7	Dogs Wolves People meat	The dogs watched the humans, trying to find assistance.
8	Domestication Dogs Wolves Person	The fact that the dogs looked to the experimenter was because of the animal’s historical domestication.
9	Experiments Dogs Baby wolves	These experiments seem to show that dogs have evolved to understand humans, and do not simply act like baby wolves, as other scientists had thought.
10	dog	The writer’s dog also can tell what people are thinking.