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This is because birds have lighter, more fragile bones, therefore they decay much faster.

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13y ago

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Did mammals appear in the fossil record after dinosaurs became extinct?

No, mammals lived alongside dinosaurs and their earliest known fossils of about 200 million years old are almost contemporary with the early dinosaur fossils.


Where in the fossil record can you find fossils of the oldest life forms?

The fossils of the oldest life forms can be found in the Precambrian period of the fossil record.


The sum of all the fossils that exist is called the?

The sum of all the fossils that exist is called that fossil record. It includes fossils from all geologic time periods.


The fossil record is?

a record that shows how fossils have changed over time


What do scientists use the fossil record for?

Recording fossils No.


What is a record fossil?

A fossil record is a historical sequence of life indicated by fossils found in layers of Earth's crust.


Do fossil records help to date fossils?

Fossil records contain radiation, and the older the fossil is, the less radiation it gives off. Scientists study how much radiation is in the fossil record, and they find out how old the earth is.


The total collection of all the fossils in the world is called the?

Fossil Record


What have Mass extinctions determined?

order in which fossils are found in the fossil record.


Can fish have fossils?

Yes, hundreds of species of fish can be found in the fossil record.


Sentence with the word trace fossils?

a fossil record shows what types of fossils there are


What is true of the fossil record of mammalian origins?

The fossil record shows that mammals and the great dinosaurs shared the same times. It also shows that mammals made a major surge in population when the dinosaurs died out.