Advertisements
Advertisements
प्रश्न
How does fossilization occur in plants?
उत्तर
A plant fossil is any preserved part of a plant that has died long back. Fossils may be a prehistoric impression that may be hundred to millions of years old. Majority of the plant fossils are disarticulated parts of plants, it is rare to find plants to be preserved as whole.
APPEARS IN
संबंधित प्रश्न
What are fossils ?
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?
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?
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 ______.
How can you determine the age of the fossils?
