Mammal Characteristics
1. Write the name of an animal that belongs to this group.
2. Read the observations.
3. Put a checkmark by the characteristic that is wrong.
4. Write the characteristic you checked so it is correct.

Monotremes
Animal ______________________ 
     Teeth NEVER
     External fertilization NEVER
     Nurses young SOMETIMES
     Quills SOMETIMES
Correction
Marsupials 
Animal ______________________ 
    
Pouched SOMETIMES                            
     Hairy ALWAYS
     Bony plates NEVER
     Internal fertilization ALWAYS
Correction  
Flying Mammals
Animal ______________________    
     Hairy ALWAYS
     Warm blooded ALWAYS
     Lays eggs SOMETIMES
     Pouched NEVER
Correction          
Toothless Mammals
Animal ______________________  
     Bony plates ALWAYS
     Clawed toes NEVER
     Lungs ALWAYS
     Water-dwelling NEVER
Correction    
Rodentlike
Animal ______________________
     Jaw moves side to side ALWAYS
     Have grinding & gnawing teeth ALWAYS 
     Lays eggs NEVER
     Pouched SOMETIMES
Correction
Flesh-eating
Animal ______________________
     Nurses young ALWAYS
     Internal development ALWAYS
     Toothless SOMETIMES
     Hairy ALWAYS
Correction
Gnawing
Animal _______________________
     Four-chambered heart ALWAYS
     Jaw moves front to back ALWAYS
     Four chisel-like teeth SOMETIMES
     Backbone ALWAYS
Correction    
Hoofed
Animal ______________________
     Hoofs SOMETIMES
     Four-chambered heart ALWAYS
     Lays eggs NEVER
     Warm blooded ALWAYS
Correction
Insect-eating
Animal ______________________
     Backbone ALWAYS
     Hoofs NEVER
     Pouched SOMETIMES
     Four-chambered heart ALWAYS
Correction
Primates
Animal ______________________
     Have eyes that face forward ALWAYS
     5 fingers and 5 toes SOMETIMES
     Large brain ALWAYS
     Hairy ALWAYS
Correction
Trunk-nosed
Animal ______________________
     Pouched NEVER
     Trunks SOMETIMES
     Nurses young ALWAYS
     Internal fertilization ALWAYS
Correction
Water-dwelling
Animal _____________________
     Water-dwelling ALWAYS
     Carnivorous ALWAYS
     Lays eggs NEVER
     Nurses young ALWAYS
Correction