Difference Between A Marsh, A Swamp, A Bog, And A Fen. In A Nutshell. The worldâs wetlands are ecosystems in themselves, and are defined by the flora and fauna they support. Marshes are nutrient-rich wetlands that support a variety of reeds and grasses, while swamps are defined by their ability to support woody plants and trees. Bogs are characterized by their poor soil and high peat content, while fens have less peat and more plant life than a bog.
Many adult Labradors will sleep for well over half of every 24 hours, and puppies under four months old may sleep as much as 20 hours a day.
(Labs do not generally require 2 hours of outside study time per hour spent in the lab.) So far that's a total of about 65 hrs/wk devoted to academics. Since a week has 168 hrs, that leaves 103 hrs per week. If we allow for 7 hrs of sleep/day (49 hrs/wk), that leaves 54 hours each week for other things!