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Mammals (Characteristics (Skin is made of keratine, Tetrapod vertebrates,…
Mammals
Characteristics
Skin
is made of
keratine
Tetrapod vertebrates
Mammary glands
Warm-blooded
Respiratory
Lungs
Diaphragm
Alveoli
Nutrition
Carnivores
Herbivores
Omnivores
Reproduction
Internal fertilisation
Viviparous
Placenta
Gestation
Classify
Placental mammals
Marsupials
Monotremes
Humans
Mammals
Communicate
Complex language
Culture