Advertisements
Advertisements
प्रश्न
Fill in the following blank with suitable word :
The human forelimb and bat's forelimb are an example of .......... organs whereas an insect's wing and a bat's wing are an example of ........... organs.
उत्तर
The human forelimb and a bat's forelimb are an example of homologous organs, whereas an insect's wing and a bat's wing are an example of analogous organs.
APPEARS IN
संबंधित प्रश्न
Why are the small numbers of surviving tigers a cause of worry from the point of view of genetics?
Explain how, characteristics (or traits) are inherited through genes.
In what way are analogous organs evidence for evolution?
A gradual change, over a long period, in a form of life is known as :
(a) erosion
(b) evolution
(c) revolution
(d) evaluation
Answer the following question in ‘One’ sentence only:
Define ‘mutation breeding’.
What is chromosomal aberration? Give any two types of aberrations found in the population.
____________ results in variation in gene frequencies within population by chance rather than by natural selection.
The sequence of gradual changes which takes place in the primitive organisms over millions of years in which new species are produced is known as ______
Had Darwin been aware of Mendel’s work, would he been able to explain the origin of variations. Discuss.
While studying the stages in the evolution of man, a well-developed chin is observed in ______.
