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
Electric Music for the Mind and Body "I-Feel-Like-I'm-Fixin'-to-Die". Bruce Eder in a retrospective review for AllMusic felt that the album is "one of the most important and enduring documents of the psychedelic era". The album was included in Robert Dimery's 1001 Albums You Must Hear Before You Die. All songs by Country Joe McDonald, except where noted Electric Music for the Mind and Body Electric Music for the Mind and Body is Country Joe and the Fish's debut album. Released in May 1967 on the Vanguard label, it was one of the first psychedelic albums to come out of San Francisco. Tracks from the LP, especially "Section