Complex sentence: Within the nature preserve is a five acre kettle lake bog that features tamarack, poison sumac, cranberries, northern purple pitcher plant, round-leaf sundew and sphagnum.
Split into simpler sentences: Within the nature preserve is a five acre kettle lake bog. The kettle lake bog features tamarack, poison sumac, cranberries, northern purple pitcher plant, round-leaf sundew and sphagnum.