Advertisements
Advertisements
प्रश्न
Explain the following :
(a) Speciation
(b) Natural Selection
उत्तर
(a) Speciation : The formation of new and distinct species during the course of evolution which is called speciation. Speciation can occur due to geographical barrier or due to morphological changes that it in due to mutations.
(b) Natural selection : Natural selection is a mechanism of evolution in which the organisms most fit to survive thrive while others population create to gross.
APPEARS IN
संबंधित प्रश्न
Explain the following:- Natural Selection
Give the respective scientific terms used for studying the mechanism by which variations are created and inherited
In evolutionary terms, we have more in common with
How are the areas of study – evolution and classification – interlinked?
What is meant by acquired and inherited traits? Explain with one example each.
Read the following statement and justify same in your own words with the help of suitable example.
Human evolution began approximately 7 crore years ago.
Name any three types of postmating isolating mechanisms.
What is chromosomal aberration? Give any two types of aberrations found in the population.
Which of the following is the correct pair?
Variations during mutations of meiotic recombinations are ______.
