Share MAMMALS ,BIRDS REPTILES AND AMPHIBIANS 4º
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Most mamals have backbone , they are ..............
vertebrates
Most mammals have.................... to keep warm
hair or fur
Mammals breathe with their....................
lungs
Marine animals have ........................ to keep warm
thick skin
Birds have any teeth. They have .............
beaks
Adult birds feed their ................. or babies until they fly and look after themselves.
offsprings
Birds have............... to keep warm and protect their bodies
feathers
What is the name of the process where the birds keep the eggs warm?
incubation
Birds have lungs but they have large ............ in their bodies
air sacs
Nutrition: Birds can be .......................,............................... or ............................
carnivores, herbivores or omnivores
Reptiles can live on............................ or in ......................
land or in water
What the reptiles have on their bodies to protect themselves ?
scales, some of them also have shell.
Nutrition: most reptiles are....... and ....................
carnivores and omnivores
Reproduction: Reptiles are
oviparous
Which muscle have the reptiles similar to humans ?
diaphragms
Amphibians have thin, ........................ skin wiyh no hair or scales
moist skin
