Yes, they share a common ancestor. The group that contains the chicken, the T. rex, their common ancestor, and all the species that descended from that ancestor is called Coelurosauria.
Yes. Birds are closely related to dinosaurs. Here's an article for you -- Google "are birds related to dinosaurs" and you'll get countless others.
Yes, there was Siamotyrannus,Shanshanosaurus,Albertosaurus,Nanotyrannus and Acrocanthosaurus.
Trex
no a mouse is not related to a chicken a chicken is a bird and a mouse is a rodent
no a mouse is not related to a chicken a chicken is a bird and a mouse is a mammal
Capitalize trex when you are using it as a proper noun, such as a specific thing or trademark.
Yes
trex
is trex decking safe for dogs?
Trex was 40ft long, but it is not the biggest meat eating dionsaur
No, TRex was Trianosaurus Rex, an extinct (fossil) dinosaur.
No.
yes they did eat them after mating