Complete the chart with the information from the reading. Forests and Taigas Forests are the largest and most diverse ecological systems. About one-third of the Earth’s land surface is forest. Trees fill the forests. They are important because they take in carbon dioxide to use in photosynthesis and give off oxygen that humans and animals breathe. The taiga is the largest single biome on Earth. Taigas are found just south of the tundra and have long, cold winters and short, humid summers. Annual precipitation is between 12 to 33 inches. Taigas are located in Russia and northern Canada. Trees in taigas are conifers, which are also called evergreens. They have thin, waxy needles instead of leaves; the waxy coating protects the needles from the cold. The needles don’t have sap, so they don’t freeze. A. 1. Not mentioned / 2. Russia and northern Canada / 3. evergreens B. 1. cold and hot / 2. northern Canada / 3. waxy coating C. 1. long cold winters / 2. Russia // 3. not mentioned D. 1. not mentioned / 2. Canada / 3. Palm trees
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