If at a school where it is part of the curriculum, because that is what gets taught to you; whether you actually learn it or just sit there while it happens is your choice.
If you plan on taking Biology at a higher-than-basic level, because evolution is a major scientific concept necessary for understanding much of biology.
---Because in school we are taught facts, you are there to learn, so you are learning truths, not fantasies (unless you are taking mythology or world religion)
No.
It cannot learn Cut. Nor can its evolution Hariyama.
You have to level Shroomish to level 45 (Gen V) to learn it then you can evolve, after evolution there is no way for it to learn it.
Learn how to type.
helped us learn how we addapted to out seroundings
They can learn about evolution, as many living fossils have changed quite a bit over time.
the level that learns it normally or if it has passed it, then you evolve it it should learn it
They learn about our past and how evolution came to be. Paleontologists can determine the approximate weight, size, and details of the fossil when it was alive.
The history and evolution of our planet, its biosphere and what conditions were like in the past.
dodrio (evolution of doduo) and magneton (evo of magnemite)
Yes, Pokémon in Crystal can learn Headbutt through level up and they are Slowpoke as well as its evolution of Slowbro, Hypno and its pre-evolution of Drowzee, Cubone and its evoluton of Marowak, Snorlax and Slowking.
Many evolution stone pokemon, like Ninetales, and Simisear, do not learn moves by levelling, meaning you need to level the preform up until it learns the moves you want, and only then use the evolution stone.