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New ecosystems form in nooks and crannies between the dunes
as they age. In low points, marshes like this one are likely to form. The
rich mud makes perfect conditions for certain kinds of plants. These plants
are noticeably different from the ones that live in the dryness of the
high dunes. An abundance of plants creates a good environment for animals,
too. The plants provide food for them to eat, and provide places for them
to find shelter from predators and adverse weather.
Mud
The mud is alive. If you were to take a teaspoonful of it and put it
under a microscope, you’d find thousands of bacteria, hundreds of algae,
and many other microorganisms. These little creatures help support the
lives of larger plants and animals.
