Asked by Emily Treadaway on May 10, 2024
Verified
Which of the following collection of fossils would be LEAST useful for determining the age of a section of rocks?
A) fossils that are large and distinctive
B) fossils that are widely distributed across different parts of Earth
C) the fossil of a family of creatures that lived unchanged for a very long time
D) index fossils
Index Fossils
Fossils of organisms that were geographically widespread but limited to a short span of geological time, used to define and identify geological periods.
Fossil Species
The remains or imprints of organisms from earlier geological periods preserved in rock.
- Understand the importance of index fossils in ascertaining the age of sedimentary strata.
Verified Answer
TV
Th?nh V? V?nMay 17, 2024
Final Answer :
C
Explanation :
The fossil of a family of creatures that lived unchanged for a very long time would be least useful for determining the age of a section of rocks because their long existence period makes it difficult to pinpoint a specific time within that range.
Learning Objectives
- Understand the importance of index fossils in ascertaining the age of sedimentary strata.