Seed dispersal is the movement or transport of seeds away from the parent plant. Rain is an example of this. (Sorry, I didn't have my ponytail or bracelet for this one or for mating behavior.) 
A sand dollar is an example of bilateral symmetry because it is divisible into two symmetrical parts on a plane.
A starfish is an example of radial symmetry because it is around a central axis.
Auxin is the hormone produced in the plant that controls cell growth. It is often found in the bud of a plant.Moss has a gametophyte lifestyle


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