"Bible is clear that death came because of one man's sin: Adam." 

Well actually no. You have interpreted the biblical text as stating the death of all living things was set in motion as a result of Adam's sin. The text can also be interpreted as referring to only the death of humankind. As such it says nothing about about the death of other living thing.

"Evolution claims that birds evolved from dinosaurs"

Why are you bringing up the topic of evolution?
Ervin is talking about the how conventional scientific evidence shows that dinosaurs existed before humankind. He makes no assertions about the mechanisms as to how that sequence came about.

"And the methods for dating fossils are unreliable."

And again .. well actually no. There has been cases when the carbon dating technique has produced strange results and YEC adherents often point these out, but there are many, many other forms of radiometric dating and they are generally very reliable.