1) But should a (1) ……. of animal that no longer exists in the world be brought back to life? a) Sequence b) species c) system d) series 2) he Tasmanian tiger, an animal that (2) ……. the threat of hunters on the Australian island o a) stayed b) continued c) tasted d) survived 3) Tasmania up until 1936. Their population first started to (3) ……. when humans arrived in the region a) decline b) lower c) reduce d) cut 4) re-create the tiger, or an extremely (4) ……. copy of it. a) firm b) near c) close d) exact 5) But the project has been (5) ……. as being completely unrealistic. a) discussed b) analysed c) remarked d) criticised

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