CPE Listening, CPE 5, Test 2, part 2

Ancient trees were once believed to possess ----- (9) and played an important role in folk tales. Ancient trees were often used as a venue for both religious and ----- (10) events in past times. The oldest tree, known as the creosote bush, has a distinctive ----(11) Researchers did not expect to find ancient trees in areas classified as -----(12) In recent research, a technique known as -----(13) was used to calculate the age of trees. Recently it has become possible to cellect information about -----(14) by analysing ancient trees. Derek explains that it is a mistake to regard -----(15) trees as being unhealthy in any way. The technique known as coppicing was designed to produce a long-term -----(16) supply. Many species of wildlife rely on the process of -----(17) in old tree trunks.