Behavioral Adaptations: Behavioral adaptations are the things organisms do to survive. For example, bird calls and migration are behavioral adaptations. (http://www.nhptv.org/NatureWorks/nwep1.htm) A...
I believe that 3 could be :-
Trunk.
Bark.
Roots.
To find out why enter "What is an adaptation that allows a Baobab Tree survive in a Tropical Savannah" in the question thing at the top.