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

Definitions / Explanation : Analogous organs & Vestigial or rudimentary organs
 

Identify correct pair

$A$ : During evolution pouched mammals of Australia survived.
$R$ : Due to lack of competition from any other mammal due to continental drift

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 2012]

Match the columns :

Column - $I$ Column - $II$
$(1)$  Charles Darwin $(a)$  Mutation theory
$(2)$  Lamarck $(b)$ Germ plasm theory
$(3)$  Hugo de vries $(c)$ Philosophie zoologique
$(4)$  Ernst Haeckel $(d)$ The origin of species
$(5)$  August Weismann $(e)$  Biogenetic law
  $(f)$ Eassy on population