God created man. And yes, man has lived in caves ( not evolutions cavemen ) . Dinosaurs were created because God liked them; so He made them.
seems simple enough. But dinosaurs themselves, are really not the subject matter of the Bible. It's about people and saving them from confusion , seeking the truth that sets us free, through Christ. It shows God's love for us.
The time the dinosaurs date , is before, the Bible was written. So they been here, and dead long before this time we are living in. But, the bible dose teach what happened at the time the dinosaurs and other animals lived .