Page 15 - Demo

15WEDDELL SEAInspiteofextremecoldtemperature,fishes,birds,whales, penguins and seals have adapted to the habitat of this southern ocean. Amphibians are not suited to live in this ecosystem. Adelie penguins with colonies of more than 10,000 pairs live in this icy region. The Weddell Sea region is valued for having vibrant ecosystems left on the earth.CORAL REEFSCoral reefs are the most diverse underwater ecosystems. They are called the %u2018rainforests of the sea%u2019. They are home to 25% of all marine life on the planet. They look like rocks, but actually they are animals. They are hard calcium carbonate skeletons like clams. Coral reefs are the most diverse of all marine ecosystems.TROPICAL RAINFORESTSA tropical rainforest is a forest that grows in an area with high rainfall. Half of the world%u2019s species live in tropical rainforests. It is a very busy ecosystem with many kinds of plants, animals, fungi and microscopic organisms. The combination of warmth and rainfall creates a humid environment for plants and animals to survive.