30 Questions
What percentage of all species that ever lived are extinct?
99%
What is the process by which minerals carried by water are deposited around a hard structure?
Permineralization
Which of the following types of fossils records the activity of an organism?
Trace Fossils
What is the term for a living species that has remained unchanged for tens of millions of years?
Living Fossil
How is the age of a fossil determined?
By comparing its placement with that of fossils in other layers of rock
What is the term for an organism that becomes trapped in tree resin that hardens into amber?
Amber-Preserved Fossils
What is the primary source of energy for anaerobic pathways?
Simple organic compounds and mineral ions
What is the name of the earliest known eukaryote?
Bangiomorpha pubescens
What is the result of the increase in cyanobacteria populations?
Increase in oxygen levels
What is the characteristic that distinguishes eukaryotes from prokaryotes?
Presence of organelles
What is the theory that explains the origin of organelles?
Endosymbiotic Theory
What is the similarity between mitochondria and bacteria?
Size and structure
What is a characteristic of mitochondrial DNA?
It has a few genes (37)
What event occurred at the end of the Paleozoic Era?
The mass extinction of 95% of ocean life
During which era did mammals evolve adaptations to live in various environments?
Cenozoic Era
What is a characteristic of the inner membrane of a mitochondrion?
It resembles a bacterial cell's plasma membrane
What percentage of Earth's history occurred during the Precambrian Time?
90% of Earth's history
What event occurred during the Mesozoic Era?
The roaming of dinosaurs on Earth
What is a suggested way to find a fossil species to investigate if none are found in your area?
Search for a picture of a fossil species on the internet
What is the main criterion for a report with a research depth of 'Excellent'?
Providing thorough research on the chosen fossil species
What is the characteristic of a report with a content clarity of 'Excellent'?
It is exceptionally clear and well-organized
What is the minimum score for a report with 'Fair' research depth?
8
What aspect of a fossil species is NOT included in the research criteria?
Its habitat
What is the score for a report with 'Good' research depth?
9
Approximately how long ago did Homo sapiens evolve?
200,000 years ago
What has been on Earth for 3.8 billion years?
Simple cells (prokaryotes)
When did arthropods (ancestors of insects, arachnids, and crustaceans) emerge?
570 million years ago
How long ago did the non-avian dinosaurs die out?
65 million years ago
What is the significance of the activity instructed?
To investigate a specific fossil species in your area
What precaution must be taken when searching for a fossil species?
Go to areas you are familiar with
Explore the fossil record and its significance in understanding the history of life on Earth. Learn about fossil formation, paleontology, and the evolution of species over time.
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