Changes to EcosystemVersion en ligne Match the types of changes to the category of change in an ecosystem. par Greg Durant 1 Seasonal 2 Animal 3 Natural Causes/Weather Leaves fall off trees Animals hibernate to stay out of the cold Animals migrate to go to warmer places Lakes freeze over Snow covers grass Flowers bloom and grow Beavers build a dam Woodpeckers create holes in trees Cows eat all the grass in a field Gophers create burrows underground A thunderstorm causes a flood Lack of rain causes a drought A forest fire starts from a lightning bolt A tornado knocks over trees An earthquake causes land to split apart A mudslide destroys plants on a hillside
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