11. the principle of fossil succession states that different types of fossil organisms
o succeed one another in a definite order
o are younger in the deepest layers of rock
occur most often in sedimentary rock
generally leave behind hard parts

The principle of fossil succession states that different types of fossil organisms A: succeed one another in a definite order

Explanation:

There are three main concepts that need to be learned for fossil succession.  

a.Fossils means remains of organisms that were once living.

b.Mostly fossils are of the ones who are extinct or the ones who are no longer living on earth.

c.The kind of fossils found in rocks are of "different" ages because life in earth has evolved or changed over time. Life on earth was in simpler form and is in complex forms now.

To find the age of the rock or the fossil, scientists use a type of clock. Most common is “radiometric dating”. So, the "principle of fossil succession" states that "fossil organisms" succeed one another in a definite, reliable and specific order.

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