Given below are four statements $(A-­D)$ each with one or two blanks. Select the option which correctly fills up the blanks in two statements. Statements :

$(A)$ Wings of butterfly and birds look alike andare the results of ___$(i)$___ evolution.

$(B)$ Miller showed that $CH_4 , H_2 , NH_3$ and ___$(i)$___ when exposed to electric discharge in a flaskresulted in formation of ___$(ii)$___ .

$(C)$ Vermiform appendix is a ___$(i)$___ organ and an ___$(ii)$___ evidence of evolution.

$(D)$ According to Darwin evolution took placedue to ___$(i)$___ and ___$(ii)$___ of the fittest.

• A

  $(D) -(i)$ small variations, $(ii)$ survival,

  $(A) -(i)$ convergent

• B

  $(A) -(i)$ convergent,

  $(B) -(i)$ oxygen, $(ii)$ nucleosides

• C

  $(B) -(i)$ water vapour, $(ii) $ amino acids, $(C) -(i)$ rudimentary, $(ii)$ anatomical

• D

  $(C) -(i) $ vestigial, $(ii)$ anatomical,

  $(D) -(i)$ mutations, $(ii) $ multiplication