Advertisements
Advertisements
प्रश्न
Define Organic evolution.
Advertisements
उत्तर
Organic evolution can be defined as slow, gradual, continuous and irreversible changes through which the present-day complex forms of the life developed (or evolved) from their simple pre-existing forms.
APPEARS IN
संबंधित प्रश्न
A black mouse mates with a brown mouse, and all the offsprings are black.
(a) Why are no brown offsprings produced?
(b) If two of the black offsprings mate with each other what kind of offspring would you expect and in what proportions? Give reason for your answer.
Read the following statement and justify the same in your own words with the help of suitable examples.
Study of fossils is an important aspect of study of evolution.
Answer the following question in ‘One’ sentence only:
Define ‘mutation breeding’.
Short answer question.
Write a note on Genetic drift.
Short answer question.
Give an example of disrruptive selection
The first systematic explanation of the concept of evolution was given by ______.
Name any three types of premating isolating mechanisms.
What is chromosomal aberration? Give any two types of aberrations found in the population.
Theory of inheritance of acquired character was given by:
Which fossil animal is considered as the connecting link between reptiles and birds? Give any one character of each class found in it.
