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प्रश्न
Explain the importance of fossils in deciding evolutionary relationships.
उत्तर
Fossil provide us evidence about
- The organisms that lived long ago such as the time period during which they lived, their structure etc.
- Evolutionary development of species i.e., line of their development.
- Connecting links between two groups. For example, feathers present in some dinosaurs means that birds are very closely related to reptiles.
- Which organisms evolved earlier and which later.
- Development of complex body designs from the simple body designs.
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संबंधित प्रश्न
What are fossils ?
How fossils formed ?
How does Embryology study lead us to understand 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?
State fossils importance in the study of evolution with the help of a suitable example.
Paleontologists deal with ______.
Birds have evolved from reptiles.
What is the study of fossils called?
Higher Order Thinking Skill (HOT)
Imprints of fossils tell us about evolutionHow?
