Scientists believe that rainforests (0) may be home to more than ten million different forms of wildlife. the largest group (1 of insects, which climb or fly easily from tree to tree. most people are familiar (2 colourful parrots, but they are only one part of the total bird ( which goes from tiny hummingbirds to huge toucans. many rainforest animals have developed for living in the treetops. some monkeys have thin webs of skin between their legs that (4 to almost fly between (5 . others have long, strong tails, like an (6 ) arm. 0 a may b can c should d would 1 a keeps b consists c holds d claims 2 a with b to c of d by 3 a set b company c population d society 4 a let b allow c make d admit 5 a branches b leaves c flowers d plants 6 a accurate b equal c extra d alive