What Are Fossils? - Science and Technology 2


What are fossils?



  • Fossils are the preserved remains or traces of plants, animals and other organisms from the remote past.
  • They are collected from different levels or depths of the soil structure.
  • The study of fossils enables us to understand the structure, age, evolutionary process and significance of different organisms.
  • Hence, fossils serve as good paleontological evidences.
Concept: Paleobotany
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2015-2016 (March)



What are fossils ?

How fossils formed ?

Describe in brief two methods of determining the age of fossils.

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

What are fossils? What do they tell us about 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.


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

The fossil trilobite was originally :
(a) an arthropod
(b) an invertebrate
(c) a reptile
(d) an ave

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?

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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