Overview
Chordates are a fascinating group of animals characterized by their unique features such as the notochord, dorsal nerve cord, and pharyngeal slits. They encompass a wide range of species, including mammals, birds, reptiles, amphibians, and fish, each exhibiting diverse adaptations that allow them to...
Key Terms
Example: In embryonic development, the notochord is replaced by the vertebral column in vertebrates.
Example: The dorsal nerve cord develops into the spinal cord in vertebrates.
Example: In fish, pharyngeal slits develop into gills.
Example: Mammals, birds, reptiles, amphibians, and fish are all vertebrates.
Example: While chordates are primarily vertebrates, some chordates like tunicates are invertebrates.
Example: The human body has an endoskeleton made of bones.