Adapted from 'Buy-O-Diversity', an activity in Smart Consumers: An Educator's Guide to Exploring Consumer Issues and the Environment. World Wildlife Fund, 2004. Website: www.worldwildlife.org     1) Which are raised on farms and harvested for their meat and skin?   a. alligators b. ostriches c. koala bears d. all of the above       2) Which of the following does NOT cause desertification?   a. overcultivation b. creation of protected areas c. overgrazing d. deforestation       3) What percentage of plants that we eat rely on insects for pollination?   a. 10% b. 24% c. 33% d. 52%       4) What’s the minimum number of edible plants on Earth?   a. 5 000 b. 25 000 c. 50 000 d. 75 000       5) Which have been used to make medicines?   a. coral b. vampire bat saliva c. sharks d. all of the above       6) Which of these products typically come from plants that grow on land that was once tropical rainforest?   a. bananas b. coffee c. chocolate d. all of the above
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