EOSC 114 -7 EXAM BRAND NEW!! 200+
QUESTIONS AND CORRECT ANSWERS
(VERIFIED ANSWERS) New Update
mass extinction - Answers -✔✔ risis that affects life right across the planet from the
deepest oceans to the highest mountains
biosphere - Answers -✔✔ a thin layer of life that exists on the surface of the planet that
interacts with the hydrosphere (oceans, lakes and rivers), the atmosphere, and the
lithosphere (the Earth's crust)
geologists and paleontologists measure the passage of geological time in what? -
Answers -✔✔ in the geological rock record
stratigraphy - Answers -✔✔ the study of rock layers
The principle of superposition - Answers -✔✔ Steno states that in a succession of
layered rocks, the rock layer at the bottom of the pile will be the oldest and the layer at
the top the youngest
Principle of faunal succession - Answers -✔✔ Smith in 1799 who recognized that strata
of like age can be recognized by the fossils they contain even if the outcrops of strata
are separated by large distances geographically. Using the appearance and
disappearance of fossils to subdivide geological time is the science of biostratigraphy.
Each fossil species is said to have a range through geological time.it exists in the
geological record from the point that it evolves to the point that it becomes extinct
Who examined the remains of mammoths in Europe concluding they were a once living
species that had become extinct? - Answers -✔✔ George Cuvier (1769 - 1832)
When did scientists started to conclude that the Earth is ancient and had undergone
much change throughout its history? - Answers -✔✔ During the late 1700s and 1800s
What were fossils used for to construct a geological time scale? - Answers -✔✔ To
correlate between different regions and characterize particular periods of Earth's history
Who of the following believed the Earth to be around 6,000 years old? - Answers -✔✔
Ussher (1581 - 1665)
What are the the subdivisions of time called that divide the Earth's 4.6 billion years? -
Answers -✔✔ 1.Eons Precambrian and Phanerozoic) 2. Eras (Archean, Proterozoic,
, Paleozoic, Mesozoic, and Cenozoic), and Periods (from the oldest, Cambrian, to the
most recent, the Quaternary)
What is the period called where there was an extraordinary proliferation of fossils at the
base of the Phanerozoic? - Answers -✔✔ in a period called the Cambrian
Dinosaurs are part of Which period and sub period? - Answers -✔✔ Phanerozoic,
divided into Mesozoic
The Dinosaur time period happened how many years ago? - Answers -✔✔ 251-65
Million years ago
What is the order of geological time scale from now till dinosaur period? - Answers -✔✔
Under "Cenozoic" 1. Neogene 2. Paleogene
What is an 'Era'? And what does it represent? - Answers -✔✔ a grouping of geological
periods. times when there has been a major change in the Earth's biosphere
What is the 'Phanerozoic'? - Answers -✔✔ the emergence of creatures with hard parts
What are the Eras (most recent-oldest) ? - Answers -✔✔ Phanerozoic and Precambrian
(which ended 543 mill years ago)
What are the sub periods of Precambrian(Oldest 1st)? - Answers -✔✔ Archean (4.5
billion) and Proterozoic (2.5 billion)
What are the sub periods of Phanerozoic(Oldest 1st)? - Answers -✔✔ Paleozoic,
Mesozoic, Cenozoic
What is the base of all periods defined on? - Answers -✔✔ on the emergence or
radiation of new species
What constitutes a mass extinction(3)? - Answers -✔✔ At least 30% of Earth's species
must be lost.
It must be across a broad range of ecologies, not restricted to any one niche
It must be have a short/sudden duration (around 1 million years maximum)
What are the 'big 5' in the Phanerozoic? - Answers -✔✔ 1.Cretaceous / Paleogene
(Tertiary) (K/P), 65 Ma
2.Late Triassic, 205 Ma
3.Permo / Triassic, 251 Ma
4.Late Devonian, 360-375 Ma
5.Late Ordovician, 440-450 Ma
QUESTIONS AND CORRECT ANSWERS
(VERIFIED ANSWERS) New Update
mass extinction - Answers -✔✔ risis that affects life right across the planet from the
deepest oceans to the highest mountains
biosphere - Answers -✔✔ a thin layer of life that exists on the surface of the planet that
interacts with the hydrosphere (oceans, lakes and rivers), the atmosphere, and the
lithosphere (the Earth's crust)
geologists and paleontologists measure the passage of geological time in what? -
Answers -✔✔ in the geological rock record
stratigraphy - Answers -✔✔ the study of rock layers
The principle of superposition - Answers -✔✔ Steno states that in a succession of
layered rocks, the rock layer at the bottom of the pile will be the oldest and the layer at
the top the youngest
Principle of faunal succession - Answers -✔✔ Smith in 1799 who recognized that strata
of like age can be recognized by the fossils they contain even if the outcrops of strata
are separated by large distances geographically. Using the appearance and
disappearance of fossils to subdivide geological time is the science of biostratigraphy.
Each fossil species is said to have a range through geological time.it exists in the
geological record from the point that it evolves to the point that it becomes extinct
Who examined the remains of mammoths in Europe concluding they were a once living
species that had become extinct? - Answers -✔✔ George Cuvier (1769 - 1832)
When did scientists started to conclude that the Earth is ancient and had undergone
much change throughout its history? - Answers -✔✔ During the late 1700s and 1800s
What were fossils used for to construct a geological time scale? - Answers -✔✔ To
correlate between different regions and characterize particular periods of Earth's history
Who of the following believed the Earth to be around 6,000 years old? - Answers -✔✔
Ussher (1581 - 1665)
What are the the subdivisions of time called that divide the Earth's 4.6 billion years? -
Answers -✔✔ 1.Eons Precambrian and Phanerozoic) 2. Eras (Archean, Proterozoic,
, Paleozoic, Mesozoic, and Cenozoic), and Periods (from the oldest, Cambrian, to the
most recent, the Quaternary)
What is the period called where there was an extraordinary proliferation of fossils at the
base of the Phanerozoic? - Answers -✔✔ in a period called the Cambrian
Dinosaurs are part of Which period and sub period? - Answers -✔✔ Phanerozoic,
divided into Mesozoic
The Dinosaur time period happened how many years ago? - Answers -✔✔ 251-65
Million years ago
What is the order of geological time scale from now till dinosaur period? - Answers -✔✔
Under "Cenozoic" 1. Neogene 2. Paleogene
What is an 'Era'? And what does it represent? - Answers -✔✔ a grouping of geological
periods. times when there has been a major change in the Earth's biosphere
What is the 'Phanerozoic'? - Answers -✔✔ the emergence of creatures with hard parts
What are the Eras (most recent-oldest) ? - Answers -✔✔ Phanerozoic and Precambrian
(which ended 543 mill years ago)
What are the sub periods of Precambrian(Oldest 1st)? - Answers -✔✔ Archean (4.5
billion) and Proterozoic (2.5 billion)
What are the sub periods of Phanerozoic(Oldest 1st)? - Answers -✔✔ Paleozoic,
Mesozoic, Cenozoic
What is the base of all periods defined on? - Answers -✔✔ on the emergence or
radiation of new species
What constitutes a mass extinction(3)? - Answers -✔✔ At least 30% of Earth's species
must be lost.
It must be across a broad range of ecologies, not restricted to any one niche
It must be have a short/sudden duration (around 1 million years maximum)
What are the 'big 5' in the Phanerozoic? - Answers -✔✔ 1.Cretaceous / Paleogene
(Tertiary) (K/P), 65 Ma
2.Late Triassic, 205 Ma
3.Permo / Triassic, 251 Ma
4.Late Devonian, 360-375 Ma
5.Late Ordovician, 440-450 Ma
