Monday, October 29, 2007

And You thought Plants couldn't move

One of the characteristics of living things that helps to define them is that they respond to the environment. Usually people think that plants are passive. Looking at them moving gives quite another idea. Remember that plants do respond to their environments and do move. Note that other things move, such as water in a brook, and that movement in itself is not enough to define life. Take a look at this video on plant kinematics though and you will see that movement is part of the life characteristics found in plants:
Plant Kinematics

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