Which doesn't belong?

a) i) Draw a circle around the animal that is not a bird.
   



Owl Tern Bat Pigeon
 
ii)
 
 
 
How can you tell this animal is not a bird?
 
 
 
b) i) Draw a circle around the animal that is not a mammal.
   

Octopus Rat Dog Seal
 
ii)
 
 
 
How can you tell this animal is not a mammal?
 
 
 
c) i) Draw a circle around the animal that is not a fish.
   
Shark Snapper Herring Dolphin
 
ii)
 
 
 
How can you tell this animal is not a mammal?
 
 
 
d) i) Circle the one animal which is not like the others.
   


Mussel Snail Earthworm Limpet
  ii)
What makes this animal different from the others?