Which of the following are fossils?

0 votes
    pollen grains buried in the bottom of a peat bog
    the petrified cast of a clam’s burrow
    the impression a clam shell made in mud, preserved in mudstone
    an insect leg sealed in plant resin
    all of the above

asked May 30, 2013 in Biology by anonymous
    

1 Answer

0 votes
all of the above
answered May 31, 2013 by Bioshare ~Top Expert~ (34,070 points)



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