... streamlining of these fishes pre- vents them from slowing down. ɕ The streamlining of these fishes tends to slow down their breathing. ɕ Opening the mouth to breathe can reduce the speed of these fishes. ... most important of all to these and other fast swimmers is their ability to sense and make use of swirls and eddies (circular currents) in the 113 TOEFL iBT Reading...
Ngày tải lên: 01/07/2014, 14:21
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Ngày tải lên: 01/07/2014, 21:21