I went on a field trip for one of my classes up to Paluma, a rainforest a couple of hours north of Townsville.  One of the things I noticed on some of the plants in the rainforest was thorns on the trees.  This is a defense mechanism that was developed to prevent various animals from eating and damaging the plant.  This is something that was prominent in Costa Rica as well.  Another adaptation that I noticed was tree bark on various trees, such as Gum trees, being lighter in color.  I believe that this is due to the fact that the sun is more intense in Australia and so the bark is a lighter color to reflect some of the rays so that the tree does not absorb as much light and heat.

These were just some trees that I saw all the time around campus.  These particular trees were located on one of the hills with hiking paths near campus.

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