NEET Biology question

Which of the following is an example of fossils?

(A)Pollen grains buried in the bottom of peat bogs
(B)The petrified cast of clam’s burrow
(C)The impression, a clam shell made in mud, preserved in mudstone
(D)All of the aboveCorrect

Answer: (D)

Solution

Fossils occur in several forms: mould (imprint) fossils, where a leaf, feather, bone or body leaves an impression on sediment that hardens into rock (as with a clam shell's impression preserved in mudstone); cast fossils, where minerals fill the hollow left by an animal track, mollusc shell or burrow (as with the

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Question ID VK-121343