Arctic Tundra Crossword Puzzle

QUESTIONS LIST: permafrost : layer of permanent frozen soil, reindeer : they pull santa's sleigh, flowers : 400 varieties of these, ultraviolet : light that reindeer can see, lemmings : rodents which migrate in large groups, tundra : region where the soil is permanently frozen, arctic : region around the north pole, wolves : fight liam neeson in the grey, rod : part of the eye that detects light, polar bear : carnivorous bear in the arctic