Evolution of the cochlea of the ear, consisting of the scala media, the scala tympani, and the scala vestibuli. Regarding mammals, placental and marsupial cochleae have similar cochlear responses to auditory stimulation as well as DC resting potentials. This leads to the investigation of the relationship between these therian mammals and researching their ancestral species to trace the origin of the cochlea. This spiral-shaped cochlea that is in both marsupial and placental mammals is traced back to approximately 120 million years ago. The development of the most basic basilar papilla (the auditory organ that later evolved into the Organ of Corti in mammals) happened
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