Answer:
Duplication is a type of mutation that involves the production of one or more copies of a gene or region of a chromosome. Gene and chromosome duplications occur in all organisms, though they are especially prominent among plants. Gene duplication is an important mechanism by which evolution occurs.
Tyrannosaurus Rex
Triceratops
Velocirapter
Stegosaurus
And many more, if you google dinosaur names many will pop up.
Hope this helps :)
Because natural selection is caused so that an organism can adapt and better survive their environment. They are involved in the formation of fossils because organisms that die are buried in sediment and become fossils.
If i remember correctly it sends signals to your brain. hope that helps if not im sorry
