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How do scientists use evidence from fossils and rocks strata to organize earths history?
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How do scientists determine history by using fossils and sedimentary layers?
Geologists and paleontologists look for index fossils in rock strata. These index fossils appear only in rocks of a certain age. Finding them lets the scientist know the approximate age range of a rock formation. Layers of sedimentary rock will also aid the scientist is determining the climate from that age, of any volcanism that may have taken place, the lifeforms that existed, and even find evidence of catastrophic events such as asteroid collisions that may have led to extinction events.
Why is Precambrian history more difficult to study than more recent geological history?
no fossils of organisms with hard parts. the few soft body part fossils found rarely fossilize well.
Recent discoveries of microscopic fossils have extended the known history of life to about?
3.5 BYA
Which is one piece of information that fossils in samples from Earth’s crust reveal about Earth’s history?
changes in climate
What are two way that scientists can study earths climate history?
helller
How are fossils used to helps understand the history of earth?
Scientists can use fossils to learn about what happened about what Earth was like in the past. A fossil is any evidence A fossil is any evidence that life once existed in a place.
Where do scientists obtain the majority of their modern knowledge about the history of life?
fossils
What is one way scientist get information about evolutionary history of species?
There are many ways in which scientists study the evolution of plants. Scientists may choose to study fossils in the area for example.
How are hominid fossils useful in the study of the history of mankind?
Because they are evidence of evolution!
How do fossils help scientists learn about the history of life?
they help by showing index rock creations.
How do fossils help scientist learn about history?
Fossils provide valuable information about past organisms and environments, helping scientists understand evolutionary history, species diversity, and the Earth's changing climates over time. By studying fossils, scientists can reconstruct past ecosystems, track evolutionary patterns, and uncover the timeline of life on Earth.
What are two things that scientists learn from the fossils record?
The fossil record provides evidence about the history of life and past environment on earth. The fossil record also shows that different groups of organism have changed over time.
What types of evidence do scientists use to study prehistoric times?
Scientists use a variety of evidence to study prehistoric times, including fossils, geologic strata, archaeological artifacts, DNA analysis, climate data, and isotopic analysis of elements found in ancient specimens. By examining these different types of evidence, scientists can reconstruct past environments, track the evolution of species, and understand human history.
Why Describe how fossils can provide evidence of how environmental conditions and life have changed during earths history?
hi
Why do scientists look to sedimentary rocks when studying the history of the Earth?
The vast majority of fossils are found in sedimentary rock.
What evidence do scientists use to learn about the evolutionary history of a species?
I dunnooo :S
How can scientists use fossils to determine environmental change?
fossils are used to determine the history of changes in environment and organisms because to see how they lived long ago on the environment and things like that
