Certain fossils, called index fossils, help geologists match rock layers. To be useful as an index fossil, a fossil must be widely distributed and represent a type of organism that existed for a brief time period. Index fossils are useful because they tell the relative ages of the rock layers in which they occur.
Answer:
Those types include recreational, transport, agricultural, residential, and commercial.
Explanation:
The answer to this question is the term Gross Anatomy. The Gross Anatomy is also known as topographical anatomy which is the study of large body structures at the macroscopic levels. Gross anatomy deals with body structures that with minimal magnification because it is seen by the naked eye.
