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write chordates embryology and draw diagram of chordates embryo.
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Chordates
Characteristics of Chordata
Animals in the phylum Chordata share four key features: a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a post-anal tail.
LEARNING OBJECTIVES
Identify the key features of the chordates
KEY TAKEAWAYS
Key Points
These characteristics are only present during embryonic development in some chordates.
The notochord provides skeletal support, gives the phylum its name, and develops into the vertebral column in vertebrates.
The dorsal hollow nerve cord develops into the central nervous system: the brain and spine.
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