Podcast
Questions and Answers
What is the process by which radioactive elements break down into non-radioactive elements at a steady rate?
What is the process by which radioactive elements break down into non-radioactive elements at a steady rate?
- Fossilization
- Half-life
- Geologic time scale
- Radioactive dating (correct)
What is the primary use of index fossils in geological research?
What is the primary use of index fossils in geological research?
- To study the evolution of species over time
- To analyze the geological time scale
- To determine the absolute age of rocks
- To identify specific layers of rock in different geographic locations (correct)
What is the half-life of C14?
What is the half-life of C14?
- 1,000 years
- 5,730 years (correct)
- 20,000 years
- 12,000 years
What is the primary purpose of the geologic time scale?
What is the primary purpose of the geologic time scale?
What is the duration of the Paleozoic Era?
What is the duration of the Paleozoic Era?
What event occurred approximately 12-15 billion years ago?
What event occurred approximately 12-15 billion years ago?
What is the recommended approach if no fossil species are found near your area?
What is the recommended approach if no fossil species are found near your area?
What is a key aspect of a fossil species' characteristics that should be covered in a research report?
What is a key aspect of a fossil species' characteristics that should be covered in a research report?
What is a key criterion for evaluating the quality of a research report on a fossil species?
What is a key criterion for evaluating the quality of a research report on a fossil species?
What is an important aspect of a fossil species' geological context that should be explored in a research report?
What is an important aspect of a fossil species' geological context that should be explored in a research report?
What is a characteristic of a poor research report on a fossil species?
What is a characteristic of a poor research report on a fossil species?
What percentage of all species that have ever lived are extinct?
What percentage of all species that have ever lived are extinct?
What is the process of minerals carried by water being deposited around a hard structure called?
What is the process of minerals carried by water being deposited around a hard structure called?
What type of fossils record the activity of an organism?
What type of fossils record the activity of an organism?
What is the term for a living species that has remained unchanged for tens of millions of years?
What is the term for a living species that has remained unchanged for tens of millions of years?
What is the process of determining the age of a fossil by comparing its placement with that of fossils in other layers of rock called?
What is the process of determining the age of a fossil by comparing its placement with that of fossils in other layers of rock called?
What type of fossil is formed when an entire organism becomes encased in material such as ice or volcanic ash?
What type of fossil is formed when an entire organism becomes encased in material such as ice or volcanic ash?
