Question

write short notes. darwin's theory of natural selection.​

Answer 1

Answer:

Darwin proposed Natural selection as a mechanism for evolution. Because resources are limited in nature, organisms that favour survival and reproduction with heritable characteristics will tend to leave more offspring than their peers, causing the characteristics to increase in frequency over generations.

Answer 2

Answer:

• Darwin’s theory  of  natural selection  states  that  all  the  organisms have  great capacity  to  reproduce.  
• As a  result population  of  organisms  increases at  high  rate.  
• All  the organisms compete  with  each  other  for  food  and  space.  
• In  this competition,  only  those organisms survive  which  modified  according  to  the  environmental conditions.  
• The nature  selects  only  those  organisms which  are  fit to  live  and  the  remaining  disappears.
• The  selected  organisms live  and  perform  reproduction.  
• They  give  rise  to  the  new species  with  their  own  specific characters.