Podcast
Questions and Answers
What percentage of all species that ever lived are extinct?
What percentage of all species that ever lived are extinct?
- 100%
- 99% (correct)
- 75%
- 50%
What is the process by which minerals carried by water are deposited around a hard structure?
What is the process by which minerals carried by water are deposited around a hard structure?
- Natural Casts
- Amber-Preserved Fossils
- Permineralization (correct)
- Preserved Remains
Which of the following types of fossils records the activity of an organism?
Which of the following types of fossils records the activity of an organism?
- Permineralization
- Preserved Remains
- Trace Fossils (correct)
- Natural Casts
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?
How is the age of a fossil determined?
How is the age of a fossil determined?
What is the term for an organism that becomes trapped in tree resin that hardens into amber?
What is the term for an organism that becomes trapped in tree resin that hardens into amber?
What is the primary source of energy for anaerobic pathways?
What is the primary source of energy for anaerobic pathways?
What is the name of the earliest known eukaryote?
What is the name of the earliest known eukaryote?
What is the result of the increase in cyanobacteria populations?
What is the result of the increase in cyanobacteria populations?
What is the characteristic that distinguishes eukaryotes from prokaryotes?
What is the characteristic that distinguishes eukaryotes from prokaryotes?
What is the theory that explains the origin of organelles?
What is the theory that explains the origin of organelles?
What is the similarity between mitochondria and bacteria?
What is the similarity between mitochondria and bacteria?
What is a characteristic of mitochondrial DNA?
What is a characteristic of mitochondrial DNA?
What event occurred at the end of the Paleozoic Era?
What event occurred at the end of the Paleozoic Era?
During which era did mammals evolve adaptations to live in various environments?
During which era did mammals evolve adaptations to live in various environments?
What is a characteristic of the inner membrane of a mitochondrion?
What is a characteristic of the inner membrane of a mitochondrion?
What percentage of Earth's history occurred during the Precambrian Time?
What percentage of Earth's history occurred during the Precambrian Time?
What event occurred during the Mesozoic Era?
What event occurred during the Mesozoic Era?
What is a suggested way to find a fossil species to investigate if none are found in your area?
What is a suggested way to find a fossil species to investigate if none are found in your area?
What is the main criterion for a report with a research depth of 'Excellent'?
What is the main criterion for a report with a research depth of 'Excellent'?
What is the characteristic of a report with a content clarity of 'Excellent'?
What is the characteristic of a report with a content clarity of 'Excellent'?
What is the minimum score for a report with 'Fair' research depth?
What is the minimum score for a report with 'Fair' research depth?
What aspect of a fossil species is NOT included in the research criteria?
What aspect of a fossil species is NOT included in the research criteria?
What is the score for a report with 'Good' research depth?
What is the score for a report with 'Good' research depth?
Approximately how long ago did Homo sapiens evolve?
Approximately how long ago did Homo sapiens evolve?
What has been on Earth for 3.8 billion years?
What has been on Earth for 3.8 billion years?
When did arthropods (ancestors of insects, arachnids, and crustaceans) emerge?
When did arthropods (ancestors of insects, arachnids, and crustaceans) emerge?
How long ago did the non-avian dinosaurs die out?
How long ago did the non-avian dinosaurs die out?
What is the significance of the activity instructed?
What is the significance of the activity instructed?
What precaution must be taken when searching for a fossil species?
What precaution must be taken when searching for a fossil species?