( Mammals / Birds ) have wings.
Birds
True or False: All mammals are carnivores.
False
Mammals are ( viviparous / oviparous ).
viviparous
Vertebrate or invertebrate?
Invertebrate
Mammals have ( fur / feathers ).
fur
Vertebrate or invertebrate?
Invertebrate
True or False: Mammals cannot fly.
False
Vertebrate or invertebrate?
Vertebrate
True or False: All birds can fly.
False
Vertebrate or invertebrate?
Vertebrate
Birds have ( fur / feathers ).
feathers
True or False: All birds are herbivores.
False
Birds are ( viviparous / oviparous ).
oviparous