I don't know what your choices are, but I would imagine that the answer is the process of crossing over. Next time please provide the choices that you're given :)
They are all part of the digestive system, they all break down food, they all have enzymes
Elaphants because they illegal to kill because people over kill them for there ivory tusk.
The basic reason why unripe fruits have defensive chemicals is that they need to protect the seeds that are not ready to germinate. On the other hand, the seeds of the ripe fruits are ready to germinate and so they need to get spread with the help of animals and birds and so there are no defensive chemicals. These seeds spread to different places and the soils help them to germinate under suitable conditions.
