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प्रश्न
What is embryology?
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उत्तर
Embryology deals with the study of the development of an organism from an embryo.
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संबंधित प्रश्न
What are fossils?
What are fossils ?
Explain the importance of fossils in deciding evolutionary relationships.
How does Embryology study lead us to understand evolution?
Name two organisms which are now extinct and studied from their fossils.
What are fossils? Giving one example, explain how fossils provide evidence for evolution.
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?
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.
Birds have evolved from reptiles.
What is the study of fossils called?
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?
