Halophytes are plants that can survive in regions where they are regularly exposed to sea water.
Sea water has a water potential of approximately –2500 kPa.
Which adaptation would you expect halophytes to show?
1 )
root hair cells with a very high water potential
root hair cells which accumulate salts and other solutes
3 )
a high density of stomata that are open most of the time
4 )
leaves that have a large surface area and a thick cuticle
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