The image below shows how wolves and dogs compare to some other animals in the levels of classification.

An image of classification levels of dog is shown. There are 8 columns and 7 rows. The top row says Animalia and then lists the following organisms from left to right: Insect, Fish, Rabbit, Cat, Fox, Jackal, Wolf, and Dog. The second row says Chordata and lists the following organisms from left to right: Fish, Rabbit, Cat, Fox, Jackal, Wolf, and Dog. The third row says Mammalia and lists the following organisms from left to right: Rabbit, Cat, Fox, Jackal, Wolf, and Dog. The fourth row says Carnivora and lists the following organisms from left to right: Cat, Fox, Jackal, Wolf, and Dog. The fifth row says Canidae and lists the following organisms from left to right: Fox, Jackal, Wolf, and Dog. The sixth row says Canis and lists the following organisms from left to right: Jackal, Wolf and Dog. The seventh row says Canis lupus and lists the following organisms from left to right: Wolf and Dog.

Based on this chart, which pair of organisms are most closely related?