A) within each species, there are variations
B) organisms tend to produce more number of offspring that can survive
C) offspring with better traits that overcome competition are best suited for the environment
D) variations are inherited from parents to offspring through genes
Correct Answer: D
Solution :
Variation was the one of main postulates of Darwinism. Darwin recognised two types of variations-continuous and discontinuous A variations, but he could not explain the inheritance of variations.
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