The Killer Whale's Nervous SystemAll Chordates have 4 things in common: a notochord, a dorsal hollow nerve chord, pharyngeal slits, and the post anal tail. In some chordates, these traits disappear before birth, but in others they play a vital role in the organism's survival. Due to the topic at hand, which is the nervous system, these pages will focus on the notochord, dorsal hollow nerve chord, and the brain among other parts of each individual chordates nervous system.
|