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Q: What evidence do scientist use to tell what types of organisms lived on earth in the past?
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Related questions

How long have unicellular organisms have lived on Earth?

they have lived for up to millions of years


What are traces or remains of organisms that lived in the past?

Fossils are proof of organisms that lived long ago


What has happened to most organisms that have ever lived on earth?

They have or are fossilizing.


Why did scientist think the first organisms did not need oxygen to survive?

becacuse animals lived under the ocean


What part of earth's crust would a scientist say is lived on?

The pedosphere is where people live on the earth's crust.


What is the organisms that once lived on earth but all of their kind have died out?

The answer is Extinct!


What is organisms that once lived on earth but all of their kind have died out?

The answer is Extinct!


How do scientist know that the first organisms were simple unicellular organisms?

Scientists data can only date back to when these simple, unicelluar organisms lived and thus believe other living organisms evolved through them.


The remains or evidence of any creature that once lived on the earth?

a fossil


What has lived on the earth longer than any other organisms?

ants


How long have Tasmanian Tigers lived on earth?

scientist say that Tasmanian Tigers have lived on earth around 12-30 million years before they became extinxt


How might a mold or cast of a fossil help scientist to interpret the type of EnviroNment it lived in?

It might be able to show what kind of organism lived in the past, how the organisms and the environment have changed over time.