Why isn't the fossil record complete?

1 Answer
wajahat1
Dec 3, 2016

Fossils record isn't completed because of the following reasons

Explanation:

  1. Fossils form only when organism dies and suddenly buried in low oxygen environment. unfortunately, this scenario is rarely found .In general there are 5% chances that any organism specie will turn into fossil.
  2. Fossil's sign and bodies remain preserved in sedimentary rocks. When sedimentary rocks are deep buried in the earth due to pressure above and temperature it turns into metamorphic rock and fossils destroy .Due to this rock cycle , fossil record has been lost.
    3.Digging for fossils require extreme professionalism and field work.
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