What is an example of commensalism I am the tropical rainforest?

What type of forest is the taiga? What is River partially parallels the Great Wall? What was The city was once a city of industry but now is a symbol of a urban decay? What is the coldest desert ever? Where is the most famous flood plain? Why is the daintree rainforest special? What sea does the river zambezi run through? What ocean is between north America and Europe? What sociological concept explains why native peoples in remote South American rain forests can be found using metal cooking pots? The liberty bell rang to proclaim your freedom in 1876? Does the Nile River run through Morocco and Western Sahara? How much water does Lake Tahoe hold to cover up the entire state of California? How is the Erie Canal used for fun now? Why is it difficult to see a clear picture on the surface of a lake with rough water? Which country is the worlds number 1 tourist destination? How many miles across is Shasta lake? Does a delta keep on growing? Does the center of a lake or pond have more organisms? What type of natural resources are found in the boreal forest? Yielding plants of commercial timber in south Indian?