All you have to do is go to Cinibar Island, and go into the Pokemon lab. One of the rooms will have someone called the wierd doctor. Just go up to him, and give him the fossil. Walk around a little,...
ekans can be found in the end of the victory road in leafgreen.
You can only find growlithe in firered.
firered you can find both way easyer in firered than leafgreen so trade with firered.
there...