1) Tundra is the ___________ ecosystem on earth. a) the hottest b) the coldest c) the coolest d) the warmest 2) Tundra is also very _______________. a) humid b) wet c) dry 3) Tundra is located in land areas near ___________________. a) the North Pole b) the South Pole c) the Equator 4) It´s main characteristic is the absence of _________________. a) insects b) birds c) trees d) bacteria 5) In the tundra, there are some lichens, mosses and some ________________. a) fungi b) animals c) protozoa d) grasses 6) Fauna typical of the tundra are reindeers, caribou, artic foxes, ____________ and white wolves. a) brown bears b) polar bears c) penguins 7) Grasslands are flat areas dominated by _________________. a) grasses b) trees c) bushes d) fungi e) mosses 8) There are two types of grasslands: the Savannah in ________________ areas and Temperate grasslands located in colder regions. a) dry b) tropical c) hotter d) warmer 9) Examples of grassland animals in the Savannah are giraffes, ________________, zebras, lions, gazelles and antelope. a) bison b) wolves c) coyotes d) elephants 10) Animals found in the Temperate grasslands (on the prairie) are bison, prairie dogs, ________________ and coyotes. a) wolves b) lynx c) gazelles d) antelope 11) Tropical rainforests are warm and _______________ all year long. a) humid b) dry c) wet 12) Over half of the plant and animal species live in _______________________. a) the Tundra b) the Grasslands c) Tropical Rainforests d) the Forest e) the Desert 13) Some examples of flora from the rainforest are evergreen trees, __________________ and ferns a) rosemary b) oak trees c) cacti d) orchids e) small bushes 14) Typical fauna in the rainforest are ______________, jaguars, insects and many kinds of birds such as parrots and toucans. a) wild boar (pigs) b) monkeys c) foxes d) polar bears 15) There are three types of forests: Coniferous, Temperate ______________ and Medditerranean. a) rainforest b) tundra c) deciduous d) grassland e) desert 16) Temperate deciduous forests are dominated by trees which lose their ________________ every winter. a) leaves b) bark c) roots d) flowers e) fruit 17) Mediterranean forest fauna includes eagles, foxes, lynx, hawks and ________________. a) rodents b) squirrels c) deer d) wild boar e) brown bears 18) Deserts are _____________ and hottest places on earth. a) the biggest b) the highest c) the driest d) the wettest e) the coolest 19) In the desert _________________ are very high during the day and low at night. a) the precipitation b) the winds c) the altitude d) the temperatures 20) Plants and animals have adapted to the dry condititions. Examples include cacti, small ________________, lizards, snakes, camels and scorpions a) trees b) bushes c) rocks d) sand dunes e) plants

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