Fossils give scientists information regarding the living conditions and characteristics of organisms that were found on the earth thousands of years ago. how can scientists use the fossil record to provide evidence that evolution of organisms has occurred over time?
a. older fossils are found in deeper layers of undisturbed rock strata.
b. fossils of all life-forms can be found in rock layers.
c. all fossils were formed at the same time.
d. fossils can provide a complete record of human

Option (A)

Explanation:

Fossils are defined as the dead remains of plants and animals that are buried millions of years ago. These fossils are very important as they are good evidences in understanding the evolutionary process that has undergone in the geological history.

The fossils that are found in the deeper undisturbed rock layers are the oldest fossils. These were the simple organisms because of their simple body structures. Whereas, those fossils that are found in the rocks of recent ages are considered to be young fossils. These are well structured and complex organisms. This suggested that the organisms in the past have undergone gradual evolution, that provides a key evidence in determining the evolutionary history.

Hence, the correct answer is option (A).

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explanation:

the answer would be d