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Dinosaurs with feathers have been found through a relatively wide range of geologic time. Not counting birds feathered dinosaurs can be found from the Jurassic period to the end of the Cretaceous period.

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Q: Why would a dinosaur with feathers be a bad index fossil?
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What could you conclude if a dinosaur fossil and a bird fossil were found in the same layer of rocks?

We would conclude that the bird and the dinosaur lived around the same time.


What is fossils organisms that lived a short period of time called?

They are called index fossils.


What do you call a dinosaur if it is dead?

You would call it a dead dinosaur. You could refer to a fresh body as a dinosaur carcass. One that is only bones would be a dinosaur skeleton. However, you probably would never see the above. A fossilized dinosaur is called a dinosaur fossil.


Would you expect to find dinosaur bone in a metamorphic rock like schist explain?

no, because the extreme heat that metamorphic rocks must undergo to form would have burned the dinosaur fossil, or any fossil!


What kind of fossil have been discovered besides dinosaurs?

I don't know if you would call it a dinosaur or not, but I think they've found a fish fossil.


Why would a dinosaur be used as a logo for gasoline?

gas comes from refined fossil fuels (dinosaurs)


Would a shark tooth make a good index fossil Why or Why not?

It depends on how old the tooth is,but other than that,unless it's a rare shark,it wouldn't make a very good index fossil.


What is the difference between trace fossil and index fossil?

A trace fossil is one that merely indicates that an organism left evidence of its existence. Some examples would be burrows or footprints that appear in sedimentary rock. An index fossil is of an organism that dates to a particular time in the geologic record, the organism only appearing in a certain segment of that record. Index fossils are indicators of the age of the rock in which they are found.


What did the Utah raptor evolve into?

The utahraptor could hve evolved into any dinosaur that that would have feathers and lived in the late cretacious


Why chronoperates paradoxus would not be a good index fossil?

they are only been found in a narrow geographic range


What is a fosssil?

A fossil is a living organism (plant/animal) that died and left traces in a dirt or rock compound. An example for this would be a 'Dinosaur'.


Which characteristics of a fossil would you make it useful as an index fossil in determining the relative age of widely separated rock layers?

C). a narrow time range and a wide geographic range