Help!
To all biology or biology-related students:
Can anyone please tell me how do the structures of xylem vessels in the leaves of mesophytes and hydrophytes differ?! Or generally how do they differ?
This is an O level bio qn... I can't arrive to a convincing answer...

2 Comments:
o lvl got study hydrophytes? whatever is that man~!
They don't. They're just told that that particular plant grows in an aqueous environment...
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