Evolution is

  • A

    Development of $DNA$ from nucleotides.

  • B

    Development of organism through time.

  • C

    Development of a cell from chemicals.

  • D

    cloning

Similar Questions

Match the following.

Column $- I$ Column $- II$
$(A)$ Lamark $(p)$ Finch bird
$(B)$ De Vries $(q)$ Evening primerose
$(C)$ Darwin $(r)$ Giraffes
$(s)$ Melanic moths

Definitions / Explanation : Homology & Adaptive radiation or divergent evolution

 

Assertion : Natural selection is the outcome of difference in survival and reproduction among individuals that show variation in one or more traits.

Reason : Adaptive forms of a given trait tend to become more common; less adaptive ones become less common or disappear.

  • [AIIMS 2004]

Contribution of scientist : Hugo de Vries, Hardy - Weinberg and Ernest Haeckel.

How do you express the meaning of words like race, breed, cultivars or variety ?