A pond is a body of fresh water similar to a lake but is not as deep or as large. Light can penetrate to the bottom of a pond allowing plants to grow all throughout the pond. The temperature of the water in a pond is fairly uniform from the top to the bottom whereas the temperature of the water in a lake will stratify. In the summer the water temperature in a lake will be higher at the surface and lower as the depth increases.

The term pond is often associated with other types of water habitats. Marshes, bogs, and even swamps may be called ponds. So, the study of ponds leads us into the study of these other habitats. At this point I would say a pond is small, shallow, and is a quiet body of water.

Assignment: You are to pick one the above habitats (marsh, bog, or swamp) and write a description of it.

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