Sea mammals and fish

A     COMMON DOLPHIN



D     WHITE SHARK



B     NARWHAL



E     SALMON



C     SPERM WHALE

[NOT DRAWN TO SCALE]


These are some animals that live in the sea.
a)
Write one way in which these animals all look the same.
 
 
 
b)
Write two ways that the mammals shown (drawings A, B, and C) are different from the fish (drawings D and E).
 
  1.
 
 
  2.
 
 
c)
There are many other animals, e.g., cats, horses, rats, humans which are also mammals. 
What are two features that separate mammals from other animals?
 
  1.
 
 
  2.