$A$ study of fossils in different sedimentary layers indicates:

  • A
    Physiological period in which they existed
  • B
    Geological period in which they existed
  • C
    Conditions in which they were living
  • D
    All of the above

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Similar Questions

The embryological support for evolution was proposed by:

The similarity in different genotypes in organisms indicates which of the following?

Select the correct option for analogy.

In the developmental history of the mammalian heart,it is observed that it passes through a two-chambered fish-like heart,a three-chambered frog-like heart,and finally a four-chambered stage. To which hypothesis can this above-cited statement be approximated?

Which of the following are the correct pair of homologous organs?
$I.$ Hands of man and wings of bat
$II.$ Wings of bat and wings of cockroach
$III.$ Wings of bird and wings of butterfly
$IV.$ Fins of fish and forelimbs of horse
$V.$ Forearm of human and forelimbs of horse
The correct combination is visible in option

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