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CBSE Class 10 Answered

list the main concepts of darwin theory of natural selection
Asked by hemalatha | 10 Jan, 2014, 11:12: AM
answered-by-expert Expert Answer

1. Organisms produce more Offspring than necessary to replace themselves that their species sustain.  

2. There exists variation within the species.

3. In struggle for existence the organism with variations best adapted to the environment survive.

4. Organisms compete for limited resources.

Answered by Hemangi Binny | 13 Jan, 2014, 08:18: AM
CBSE 10 - Biology
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