Advertisements
Advertisements
प्रश्न
What is embryology?
Advertisements
उत्तर
Embryology deals with the study of the development of an organism from an embryo.
APPEARS IN
संबंधित प्रश्न
What are fossils?
Describe how fossils provide us evidences in support of evolution.
How fossils formed ?
Explain the importance of fossils in deciding evolutionary relationships.
How does Embryology study lead us to understand evolution?
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?
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.
Paleontologists deal with ______.
Birds have evolved from reptiles.
Why is Archaeopteryx considered to be a connecting link?
How can you determine the age of the fossils?
How does fossilization occur in plants?
