This is true because if they didn't they wouldn't have the same biological mother.
Yes, people should try to save Asian elephants. They are hunted and killed for their tusks. These parts of their body are used for medicinal reasons. Many people “save” elephants by trimming off their tusks, making it so that killing the animal would be meaningless.
(Hope this is what you wanted, I learned this in a documentary forever ago.)
Short explanation: Elephants are in danger due to poachers, they hunt them for their tusks.
Don’t know how much you needed but here you go
The layer of granitic, sedimentary and metamorphic rocks which form the continents and the areas of shallow seabed close to their shores, known as continental shelves.