By breeding.
Simple - they reproduce to perpetuate the species ! If they didn't - every species would die out !
For the same reason humans and other animals have babies - to perpetuate the species !
Other red-tail Boas ! Cross-breeding different species invariably results in mutations or health problems. In their natural habitat, animals almost never interbreed with species other than their own. Natural selection is imprinted in the animal to breed with their own kind to perpetuate their species !
because lots of people breed animals mixed with lots of other species
animals perpetuate their kind through the genetic material (DNA)
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I wouldn't say that is true. Some animals have fights within their own species, humans, dogs, cats, birds, gorillas they all fight with their own species occasionally.
Moose are of their own species, they are not in any particular species, even though there are several subspecies of moose in the world.
No other animals make up the platypus. It is a unique animal in its own right. It is not made up of ducks, beavers, otters or any other such creature as popular myth tends to perpetuate.
In order to perpetuate the species (make more Pandas). :)
So they could reproduce and perpetuate the species.
Animals recognize members of their own species through various cues such as visual appearance, scent, vocalizations, and behavior. These cues help them identify and communicate with other individuals of the same species for mating, social interactions, and group cohesion.