Evolution of the cochlea signals that displace the eardrum by a mere picometre. Because of its prominence and preserved state in the fossil record, until recently, the ear had been used to determine phylogeny. The ear itself contains different portions, including the outer ear, the middle ear, and the inner ear and all of these show evolutionary changes that are often unique to each lineage [14]. It was the independent evolution of a tympanic middle ear in the Triassic era that produced strong selection pressures towards improved hearing organs in the separate lineages of land vertebrates. The cochlea is the tri-chambered auditory detection portion
Where the Dream Takes You own. Therefore, while both Warren and Howard are credited as composers, only Warren retains a lyric writing credit. By then already well known for writing several commercially successful pop songs for various artists, Warren had already established herself as a prolific songwriter by the time she wrote "Where the Dream Takes You", which lyrically adheres to a similar songwriting style for which she has become known. Meanwhile, the song's melody is loosely based on a sample of the film's orchestral score itself. Played during the film's end titles, "Where the Dream Takes You" is the only song from the film