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Questions and Answers
What is the approximate age of the earliest animal tracks?
What is the approximate age of the earliest animal tracks?
- 585 million years ago (correct)
- 650 million years ago
- 370 million years ago
- 480 million years ago
Which group of organisms was likely the first to colonize terrestrial environments according to the text?
Which group of organisms was likely the first to colonize terrestrial environments according to the text?
- Terrestrial plants
- Prokaryotes (correct)
- Fungi
- Animals
What major transition in the history of life is associated with the origin of multicellularity?
What major transition in the history of life is associated with the origin of multicellularity?
- Evolution of birds
- Origin of eukaryotic multicellular life (correct)
- Evolution of mammals
- Diversification of mammals
What is the key characteristic used to define monophyletic groups?
What is the key characteristic used to define monophyletic groups?
Which type of DNA comparison technique involves comparing mutation rates between different species?
Which type of DNA comparison technique involves comparing mutation rates between different species?
When did the oldest fossils of tetrapods, with limbs coming out of the side of their bodies, date back to?
When did the oldest fossils of tetrapods, with limbs coming out of the side of their bodies, date back to?
Which group emerged around 50 million years ago according to the text?
Which group emerged around 50 million years ago according to the text?
What is the primary reason given for mammals being able to survive the extinction event that wiped out dinosaurs?
What is the primary reason given for mammals being able to survive the extinction event that wiped out dinosaurs?
Among the following options, which one best describes a phylogeny?
Among the following options, which one best describes a phylogeny?
What type of organisms were the earliest animal life forms believed to resemble?
What type of organisms were the earliest animal life forms believed to resemble?
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