explain about phylum chordata?
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ᴛʜᴇ ᴘʜʏʟᴜᴍ ᴄʜᴏʀᴅᴀᴛᴀ ɪs ɴᴀᴍᴇᴅ ғᴏʀ ᴛʜᴇ ɴᴏᴛᴏᴄʜᴏʀᴅ, ᴀ ʟᴏɴɢɪᴛᴜᴅɪɴᴀʟ, ғʟᴇxɪʙʟᴇ ʀᴏᴅ ʙᴇᴛᴡᴇᴇɴ ᴛʜᴇ ᴅɪɢᴇsᴛɪᴠᴇ ᴛᴜʙᴇ ᴀɴᴅ ᴛʜᴇ ɴᴇʀᴠᴇ ᴄᴏʀᴅ; ɪɴ ᴠᴇʀᴛᴇʙʀᴀᴛᴇs, ᴛʜɪs ɪs ᴛʜᴇ sᴘɪɴᴀʟ ᴄᴏʟᴜᴍɴ. ᴛʜᴇ ᴄʜᴏʀᴅᴀᴛᴇs ᴀʀᴇ ᴀʟsᴏ ᴄʜᴀʀᴀᴄᴛᴇʀɪᴢᴇᴅ ʙʏ ᴀ ᴅᴏʀsᴀʟ ɴᴇʀᴠᴇ ᴄᴏʀᴅ, ᴡʜɪᴄʜ sᴘʟɪᴛs ɪɴᴛᴏ ᴛʜᴇ ʙʀᴀɪɴ ᴀɴᴅ sᴘɪɴᴀʟ ᴄᴏʀᴅ.
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Explanation:
Animals in the phylum Chordata share four key features: a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a post-anal tail.
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