Advertisements
Advertisements
Question
What are fossils? What do they tell us about the process of evolution?
Solution
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.
APPEARS IN
RELATED QUESTIONS
Describe how fossils provide us evidences in support of evolution.
How fossils formed ?
How does Embryology study lead us to understand evolution?
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.
List three factors that provide evidences in favour of evolution in organisms and state the role of each in brief.
State fossils importance in the study of evolution with the help of a suitable example.
The best way of direct dating fossils of recent origin is by ______.
What is the study of fossils called?
How does fossilization occur in plants?