Darwinian theory was unable to explain:

  • A
    The significance of minute variations
  • B
    Presence of vestigial or useless organs
  • C
    The presence of over-specialized organs
  • D
    All of the above

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Similar Questions

Match List-$I$ and List-$II$ and choose the correct option.
List-$I$ List-$II$
$(i)$ $65$ million years ago $(p)$ Sea weeds existed
$(ii)$ $350$ million years ago $(q)$ Invertebrates formed
$(iii)$ $500$ million years ago $(r)$ Jawless fish evolved
$(iv)$ $320$ million years ago $(s)$ Dinosaurs disappeared

Choose the correct statement from the following:
$A$. Charles Darwin travelled around the world in a ship called $HMS$ Beagle
$B$. There has been gradual evolution of life forms
$C$. According to Darwin,fitness refers to physical fitness only
$D$. Fossils are remains of hard parts of life forms found in rocks
$E$. Hugo De Vries,a naturalist worked in Malay Archipelago.

From which ancestral groups did birds and mammals evolve?

What is common between a moth,a frog,and a mosquito?

$A$ species that is produced by the loss or disappearance of a few characters found in its parents is termed as:

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