yes, all mammals have fur (fur can also be called hair, in human's case)
Having hair is a characteristic of all "mammals."
animals do not have exoskeletons they have an inerskeleton like us. they are mammals.
Koalas and Kangaroos belong to the group of animals known as Marsupials. These mammals are characterized by having special pouches in which they keep their young.
All mammals are chordates. Mammals include such animals as humans, dogs, monkeys, etc.
All mammals (both male and female) are characterised by having mammary glands.
In Brutus' analogy of the snake, there is a fallacy. There is no connection between the snake and corruption. Analogies between animals and human qualities are often fallacies since animals operate on an instinctual level as opposed to having motivation and will as human beings do.
carnivorous aquatic mammals that include the seals, walruses, and similar animals having finlike flippers as organs of locomotion.
No fish are mammals. Mammals are vertebrate animals that nurse their young. Mammals have many characteristics in common such as being warm-blooded, having some hair or fur, and being tetrapods (having four limbs, although in marine mammals these are fins).
sometimes
The characteristics include having hair or fur, mammary glands, bear live young and are placental (though monotremes lay eggs and are classed as mammals)
Chordata is the phylum that comprises animals with backbones, including vertebrates such as mammals, birds, reptiles, amphibians, and fish.
A sub-phylum of the Chordata, comprising all animals having a vertebral column, including mammals, birds, reptiles, amphibians and fish.