Which of the following subdivisions deals with fossils

  • [AIPMT 1991]
  • A

    Ecology

  • B

    Ornithology

  • C

    Ethology

  • D

    Palaeontology

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The finch species of Galapagos islands are grouped according to their food sources. Which of the following is not a finch food ?

  • [NEET 2013]

Assertion : The earliest organisms that appeared on the earth were non-green and presumably anaerobes.

Reason :The first autotrophic organisms were the chemoautotrophs that never released oxygen.

  • [AIIMS 2006]