Representations of Life’s History (Grade 10 NSC Matric Life Sciences): Flashcards
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Largest unit of geological time
Largest unit of geological time
Eon (~1 billion years)
Mesozoic era nickname
Mesozoic era nickname
Age of Reptiles
Cenozoic era nickname
Cenozoic era nickname
Age of Mammals
Earth's history span on geological clock
Earth's history span on geological clock
4.5 billion years
Movement of continents over geological time
Movement of continents over geological time
Continental drift
Minimum age for preserved remains to be fossils
Minimum age for preserved remains to be fossils
Over 10,000 years old
Half-life of Carbon-14
Half-life of Carbon-14
5,730 years
Relative dating: position of older rock layers
Relative dating: position of older rock layers
Deeper layers are older than layers above
Fossils showing intermediate characteristics
Fossils showing intermediate characteristics
Transitional fossils
Famous transitional fossil (dinosaur to bird)
Famous transitional fossil (dinosaur to bird)
Archaeopteryx