irections: Write True if the statement is correct. If it is false change the underlined word/s make the statement correct. 1. An ecosystem is a place where living things and non-living things interact. 2. Living things are also called abiotic. 3. Mangrove swamps produce a large percentage of the needed oxygen on 4. Coral reefs are the rainforest of the sea. 5. Mangroves cannot live in salt water.