Describe How Fossils Provide Us Evidences in Support of Evolution. - Science


Describe how fossils provide us evidences in support of evolution.



Fossils provide a unique view into the history of life by showing the forms and features of life in the past. Fossils tell us how species have changed across long periods of the Earth’s history.

Importance of fossils in the evolutionary process:

  • Some invertebrates living on the sea bed died and were buried in the sand.
  • More sand was accumulated and formed sandstone under pressure.
  • After millions of years, dinosaurs living in the area died and their bodies were buried in the mud.
  • The mud got compressed into the rock, just above the rock containing earlier invertebrate fossils.
  • Again millions of years later, the bodies of horse-like creatures dying in the area were fossilised in the rocks above the earlier rocks.
  • Much later, because of erosion and water flow, some rocks wore out and exposed the horse-like fossils


Concept: Paleobotany
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2015-2016 (March) All India Set 3

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What are fossils?

What are fossils ?

How fossils formed ?

State any one role of fossils in the study of the process of evolution.

Explain the importance of fossils in deciding evolutionary relationships.

What is embryology?

How does Embryology study lead us to understand evolution?

Name two organisms which are now extinct and studied from their fossils.


What are fossils? Giving one example, explain how fossils provide evidence for evolution.

If the fossil of an organism is found in the deeper layers of earth, then we can predict that ______ 

Some of the important fossils which have been studied are those of organisms X, Y and Z. X were marine arthropods which were common between 400 to 600 million years ago. Y were the invertebrate animals (molluscs) with a flat, coiled, spiral shell which lived in the sea about 180 million years ago. Z are the extinct carnivorous or herbivorous reptiles which appeared on the earth about 250 million years ago and became extinct about 65 million years ago. What are X, Y and Z?

What are fossils? How do they act as an evidence for organic evolution?

What are fossils? How are fossils formed and how is their age determined? State the importance of fossils in the study of evolution.

Paleontologists deal with ______.

The best way of direct dating fossils of recent origin is by ______.

Birds have evolved from reptiles.

Which organism is considered to be the fossil bird?

What is the study of fossils called?

Why is Archaeopteryx considered to be a connecting link?

How can you determine the age of the fossils?

How does fossilization occur in plants?

Higher Order Thinking Skill (HOT)

Imprints of fossils tell us about evolutionHow?


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