EVERYDAY SCIENCE

Detailed explanation-1: -Wetland: An area of land that is periodically underwater.

Detailed explanation-2: -Wetland-an area of land that is periodically underwater or whose soil contains a great deal of moisture.

Detailed explanation-3: -At 68, 000 square miles, it is more than 20 times the size of the Everglades. The Pantanal is also one of the world’s most productive habitats. Annual floods, fed by tropical rains, create a giant nursery for aquatic life, including 260 species of fish.

Detailed explanation-4: -Bogs are acidic, low-oxygen wetlands that form where accumulation of organic material occurs faster than organic decay. Bog soils are waterlogged and acidic peats formed by sphagnum moss and other vegetation that decomposes very slowly.

Detailed explanation-5: -Lakes. As with oceans, the benthic zone is the floor of the lake, composed of accumulated sunken organic matter. The littoral zone is the zone bordering the shore; light penetrates easily and aquatic plants thrive.