Human
From Tardis Wiki, the free Doctor Who reference
In the Dr. Who "universe", Earth produced several types of sentient beings including the Human clade. Also evolved on Earth, the reptilian Silurians existed long before humans. At least one other sentient Earth species, the "Sea Devils" is also featured in the Dr. Who series.
Since in one incarnation the Doctor is described as being half human and half Time Lord, a biological relationship may exist between humans and Time Lords.