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प्रश्न
What are fossils? What do they tell us about the process of evolution?
उत्तर
Fossils are the remains of organisms that once existed on earth.
They tell us about the development of the structures from simple structured to complex structured organisms.They tell us about the phases of evolutions through which they must have undergone in order to sustain themselves in the competetive environment.
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संबंधित प्रश्न
What are fossils ?
State any one role of fossils in the study of the process of evolution.
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 ______
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?
What are fossils? How are fossils formed and how is their age determined? State the importance of fossils in the study of evolution.
Birds have evolved from reptiles.
How can you determine the age of the fossils?
How does fossilization occur in plants?
