Matching Pairs Zero and First ConditionalsOnline version Match the sentence halves by Maria Inés Ortelli 1 If the area of the Arctic ice gets smaller, 2 If an animal is badly injured, 3 If tigers are better protected, 4 When more tourism is introduced, 5 If we plant a variety of flowers, 6 When an area of jungle is cleared, it isn't able to hunt for food. their numbers will probably increase. it has many benefits for local people. there won't be many polar bears left. the land is often used for farming. we'll see a lot more butterflies.