list 5 things plants must do to survive on land

Answer 1

Since this is not my area of expertise, I searched Google under the key words "Plant functions survive land " to get these possible sources:

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http://www.bio.sdsu.edu/eb/waters/waters.html
http://en.wikipedia.org/wiki/Embryophyte
http://www.sebiology.org/publications/Bulletin/July05/salinity.html
http://books.google.com/books?id=cjgdW4SjoJcC&pg=PA616&lpg=PA616&dq=plant+functions+survive+land&source=web&ots=ruw16-41ms&sig=G-w2yAsqzdlIDkwFgeDnCe7ltt4#PPA629,M1

In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search.

I hope this helps. Thanks for asking.