Podcast
Questions and Answers
What is a fossil?
What is a fossil?
- A type of sedimentary rock
- A piece of rock
- The living part of an organism
- The remains or evidence of a living thing (correct)
How are most fossils formed?
How are most fossils formed?
- By the process of evaporation
- By exposure to extreme heat
- When minerals replace all parts of an organism in sedimentary rocks (correct)
- Through volcanic activity
What gives clues about organisms that lived long ago?
What gives clues about organisms that lived long ago?
- Glacial ice
- Volcanic ash
- Fossils (correct)
- Petrified wood
What are petrified fossils formed through?
What are petrified fossils formed through?
What are carbon films formed from?
What are carbon films formed from?
What do trace fossils show?
What do trace fossils show?
What is the term used for organisms that haven't changed much in millions of years and are still alive today?
What is the term used for organisms that haven't changed much in millions of years and are still alive today?
How are fossils formed?
How are fossils formed?
What is the longest geologic era?
What is the longest geologic era?
What are the large segments into which geologic time is divided?
What are the large segments into which geologic time is divided?
What are index fossils used for?
What are index fossils used for?
Which era does the eon of visible life belong to?
Which era does the eon of visible life belong to?
How are cast fossils formed?
How are cast fossils formed?
What is the main characteristic of trace fossils?
What is the main characteristic of trace fossils?
What is the process of forming petrified fossils?
What is the process of forming petrified fossils?
What provides the most important evidence about the evolution of plants and animals?
What provides the most important evidence about the evolution of plants and animals?
What do most fossils help scientists understand?
What do most fossils help scientists understand?
What is the primary element that remains when an organism dies and is buried in sediments?
What is the primary element that remains when an organism dies and is buried in sediments?
What is the term used for the eon of visible life?
What is the term used for the eon of visible life?
What are the names of the eras into which the Phanerozoic Eon is divided?
What are the names of the eras into which the Phanerozoic Eon is divided?
What is the longest geologic era?
What is the longest geologic era?
What are fossils that are widespread but only existed for a short period known as?
What are fossils that are widespread but only existed for a short period known as?
Which term refers to rock formations with exceptional fossils that are important for scientists to study?
Which term refers to rock formations with exceptional fossils that are important for scientists to study?
What are the units of geologic time characterized by the types of life existing worldwide at the time?
What are the units of geologic time characterized by the types of life existing worldwide at the time?
Which term refers to organisms that haven’t changed much in millions of years and are still alive today?
Which term refers to organisms that haven’t changed much in millions of years and are still alive today?
What is the term used for remains of the organism itself or trace fossils, such as burrows, tracks, or other evidence of activity?
What is the term used for remains of the organism itself or trace fossils, such as burrows, tracks, or other evidence of activity?
What enhances the chances of becoming a fossil?
What enhances the chances of becoming a fossil?
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