填空题

If the earth gets hotter in the new century, what will happen to animals and the plants which animals depend on for (36) The question offers another way of looking at the "Greenhouse (37) ". People have talked about the general problem of " (38) Warming" for some time. But they were usually worded about things like whether to buy a home on the (39) . Biologists and other scientists turn their (40) to plants and animals at an important meeting that took place last October. They (41) evidence that plants and animals are sensitive to climate. Since the Ice Age ended ten thousand years ago and warmer (42) returned to the northern latitudes, many (43) have migrated north. (44) . Will animals and plants be able to adapt that quickly to change in the environment Many won’t. Certain species will probably become very rare. (45) . Forest fires may become more common. That, in turn, man harm animals that depend on the trees for food will for shelter. (46) . Change is a part of life, but rapid change, says scientist George Woodwell, is the enemy of life.