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Breathing Underwater
Reference chapter

Question 2
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The four types of breathing system used by animals are: (i) lungs, (ii) tracheae, (iii) skin and (iv) gills

For the following list of animals indicate the breathing system that each uses. 

1 Cockroach  
2 Trout  
3 Sparrow  
4 Earthworm  
5 Snake  
6 Locust  
7 Lion  
8 Plaice  
9 Wasp  
10 Salmon  
11 Lizard  
12 Duck  
13 Butterfly  
14 Eagle  
15 Adult frog  
16 Tadpole  
17 Bear  
18 Clam  
19 Stork  
20 Flea  
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