Birds

Mais informações

Vital functions in plants

por Iván Ortega

Respiration

por pikachu tan

Cycles

por JHP .

The 3 Vital Functions

por LUCIA SEGURA GORDO

Birds

Subgrups

Can't fly

Can fly

nutriction

Their foot depens of the form of their beak

They can be carnivorous or herbivorous

perts of the body

They have a beak

They are covered by feathers

They have four limbs

Respiration

Their lungs are more complex than the reptiles but less than the mammals lungs

They breathe through lungs

Reproduction

They are oviparous