It lacks ribosomes is the answer
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
Use of chemical fertilizers
The meteorite was probably 1<span>0 to 15 km (6.2 to 9.3 mi) wide</span> and affected the entire planet through a proces called "impact winter". As the name suggests, an impact winter is a period of low temperature produced by a huge cloud of ash and dust that blocks sunlight. Since sunlight is essential for plants to survive, if the sun rays are blocked by this cloud, all animals that depend on those plants (including dinosaurs) will die. The meteorite could have created such a cloud upon hitting the earth.