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Earned Point(s): 0 of 0, (0) 14 New traffic lights 15 Pedestrian crossing 16 Parking allowed 17 New ‘No Parking’ sign 18 New disabled parking spaces 19 Widened pavement 20 Lorry loading/unloading restrictions Stage in the experiment Select seeds of different 26 and sizes. ↓ Measure and record the 27 and size of each one. ↓ Decide on the 28 to be used. ↓ Use a different 29 for each seed and label it. ↓ After about 3 weeks, record the plant’s 30 . ↓ Investigate the findings. Introduction Recent urban developments represent massive environmental changes. It was previously thought that only a few animals were suitable for city life, e.g. ● the 31 – because of its general adaptability ● the pigeon – because walls of city buildings are similar to 32 In fact, many urban animals are adapting with unusual 33 Recent research ● Emilie Snell-Rood studied small urbanised mammal specimens from museums in Minnesota. – She found the size of their 34 had increased. – She suggests this may be due to the need to locate new sources of 35 and to deal with new dangers. ● Catarina Miranda focused on the 36 of urban and rural blackbirds. – She found urban birds were often braver, but were afraid of situations that were 37 ● Jonathan Atwell studies how animals respond to urban environments. – He found that some animals respond to 38 by producing lower levels of hormones. ● Sarah Partan’s team found urban squirrels use their 39 to help them communicate. Long-term possibilities Species of animals may develop which are unique to cities. However, some changes may not be 40 .
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