MAMMALS ,BIRDS REPTILES AND AMPHIBIANS 4º

What the reptiles have on their bodies to protect themselves ?

Frogs and toads use their ............... tongues to catch insects

Respiration: As adults, they breathe with ....... or through the...............

Birds have any teeth. They have .............

Most mammals have.................... to keep warm

Nutrition: Birds can be .......................,............................... or ............................

Mammals drink their.............................. after they are born to receive nutrients

Nutrition: most reptiles are....... and ....................

All birds have................., some birds cannot fly because they are too heavy .

Reptiles can live on............................ or in ......................

What is the name of the process where the offsprings change into adults ?

Amphibians have thin, ........................ skin wiyh no hair or scales

Whats is the name of a baby frog ?

Mammals breathe with their....................

Birds have............... to keep warm and protect their bodies

Most mamals have backbone , they are ..............

Adult birds feed their ................. or babies until they fly and look after themselves.