Question

write note on cephalochordates​

Answer 1

Answer:

$\huge\boxed{\fcolorbox{red}{blue}{ANSWER}}$

Explanation:

Cephalochordata are small, segmented marine animals that possess elongated bodies with a notochord that extends the length of the body, extending from head to tail, persisting throughout the animal's life.

...

These synapomorphies are:

notochord,

dorsal hollow nerve cord,

endostyle,

pharynx, and.

post-anal tail.

Answer 2

$\huge\pink{\underline{\overline{\mathbb{√\ηsωєя}}}}$

ᴛʜᴇ ʟᴀɴᴄᴇʟᴇᴛs ᴀʀᴇ ᴀʟsᴏ ᴄᴀʟʟᴇᴅ ᴄᴇᴘʜᴀʟᴏᴄʜᴏʀᴅᴀᴛᴇs (ɢʀᴇᴇᴋ: ᴋᴇᴘʜᴀʟᴇ, “ʜᴇᴀᴅ”) ʙᴇᴄᴀᴜsᴇ ᴛʜᴇ ɴᴏᴛᴏᴄʜᴏʀᴅ ᴇxᴛᴇɴᴅs ғʀᴏᴍ ɴᴇᴀʀ ᴛʜᴇ ᴛɪᴘ ᴏғ ᴛʜᴇ ᴛᴀɪʟ ᴛᴏ ᴡᴇʟʟ ɪɴᴛᴏ ᴛʜᴇ ᴀɴᴛᴇʀɪᴏʀ ᴏғ ᴛʜᴇ ʙᴏᴅʏ. ʙᴇᴄᴀᴜsᴇ ᴛʜᴇʏ ᴅᴏ ɴᴏᴛ ʜᴀᴠᴇ ᴛʜᴇ ʙʀᴀɪɴᴄᴀsᴇ, ᴏʀ ᴄʀᴀɴɪᴜᴍ, ᴏғ ᴀ ᴠᴇʀᴛᴇʙʀᴀᴛᴇ, ʟᴀɴᴄᴇʟᴇᴛs ᴀʀᴇ ᴏғᴛᴇɴ ᴄᴀʟʟᴇᴅ ᴀᴄʀᴀɴɪᴀᴛᴇs.