Geological Evolution Quiz
This exam is to test your knowledge of geologic time.
Questions and Answers
- 1.
__________ is the division of Earth’s history based on life forms which lived during that period.
- A.
Seafloor spreading
- B.
Geologic Time Scale
- C.
Prehistoric dinosaurs
Correct Answer
B. Geologic Time ScaleExplanation
The Geologic Time Scale is the division of Earth's history based on life forms which lived during that period. It categorizes the vast span of time into distinct units such as eras, periods, and epochs, providing a framework for understanding the history of life on Earth. This scale allows scientists to study the evolution of different species and the changes in Earth's environment over time. It is an essential tool in the field of geology and paleontology.Rate this question:
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- 2.
________________ are the longest subdivision of GTS.
- A.
Eons
- B.
Eras
- C.
Periods
Correct Answer
A. EonsExplanation
Eons are the longest subdivision of the Geological Time Scale (GTS). The GTS is a system used by scientists to divide Earth's history into different time intervals based on significant geological events. Eons represent the largest units of time in this scale, encompassing billions of years. They are further divided into smaller units such as eras, periods, and epochs. Therefore, eons are the correct answer as they are the longest subdivisions within the GTS.Rate this question:
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- 3.
The Geologic time scale is subdivided into 4 groups. List them begininng with the largest.
Correct Answer
eons, eras, periods, epochs
eons eras periods epochs
eon era period epoch
eon, era, period, epochExplanation
The correct answer is "eons, eras, periods, epochs". The geologic time scale is divided into different units to represent different spans of time. The largest unit is the eon, which represents the longest periods of time. The next unit is the era, which is a subdivision of an eon and represents a significant period in Earth's history. The period is a smaller unit that represents a specific span of time within an era. Finally, the epoch is the smallest unit and represents a smaller subdivision of a period.Rate this question:
- 4.
Organic evolution is caused by the changes in the environment.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Organic evolution refers to the process by which species change over time. One of the main driving forces behind organic evolution is the changes in the environment. As the environment changes, certain traits or characteristics become more advantageous for survival and reproduction, leading to the natural selection of individuals with those traits. Over generations, this can result in the emergence of new species or the extinction of existing ones. Therefore, it is true that organic evolution is caused by the changes in the environment.Rate this question:
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- 5.
_______________ is change of animals over time.
- A.
Natural selection
- B.
Organic evolution
- C.
Periodic table
Correct Answer
B. Organic evolutionExplanation
Organic evolution refers to the process of change in living organisms over time. It involves the gradual development of new species through genetic variation and natural selection. This concept is based on the idea that species evolve and adapt to their environment in order to survive and reproduce. The term "organic" emphasizes that the change occurs in living organisms, distinguishing it from other forms of evolution, such as the chemical evolution described by the periodic table.Rate this question:
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- 6.
__________ is a group of organisms which have the ability to reproduce with members of their group.
- A.
Period
- B.
Epoch
- C.
Species
Correct Answer
C. SpeciesExplanation
A species is a group of organisms that have the ability to reproduce with members of their own group. This means that individuals within a species can mate and produce viable offspring. Reproduction is a defining characteristic of a species, as it allows for the continuation of genetic traits and the potential for evolution over time. Therefore, the correct answer is species.Rate this question:
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- 7.
The theory that organisms with characteristics best suited for that environment will survive their is known as _______________.
- A.
Organic evolution
- B.
Natural selection
- C.
Solar system
Correct Answer
B. Natural selectionExplanation
Natural selection is the correct answer because it refers to the theory that organisms with traits that are well adapted to their environment are more likely to survive and reproduce, passing on their advantageous traits to future generations. This process leads to the gradual change and adaptation of species over time. Organic evolution is a broader term that encompasses the concept of natural selection as well as other mechanisms of evolution. The solar system is unrelated to the theory of organisms adapting to their environment.Rate this question:
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- 8.
What is the longest part of Earth’s history. Trace fossils appeared.
- A.
Precambrian Time
- B.
Paleozoic Era
- C.
Mesozoic Era
- D.
Cenozoic Era
Correct Answer
A. Precambrian TimeExplanation
The correct answer is Precambrian Time. This is the longest part of Earth's history, spanning from the formation of the Earth about 4.6 billion years ago to the beginning of the Paleozoic Era, approximately 541 million years ago. Trace fossils, which are evidence of the activity of ancient organisms, first appeared during this time period. The Precambrian Time is characterized by the formation of the Earth's continents, the development of the atmosphere, and the evolution of early life forms. It is an important era for understanding the origins and early history of our planet.Rate this question:
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- 9.
During which era did Pangaea break up?
- A.
Precambrian Time
- B.
Paleozoic Era
- C.
Mesozoic Era
Correct Answer
C. Mesozoic EraExplanation
During the Mesozoic Era, Pangaea, the supercontinent that existed during the Paleozoic Era, started to break up. This era, also known as the Age of Reptiles, lasted from about 252 million years ago to 66 million years ago. The breakup of Pangaea resulted in the formation of separate landmasses that eventually became the continents we know today. This era is characterized by the dominance of dinosaurs and the emergence of new species, as well as significant geological and climatic changes.Rate this question:
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- 10.
List the 4 time periods (eras) beginning with the most recent one.
Correct Answer
Cenozoic, Mesozoic, Paleozoic, Precambrian
Cenozoic Era, Mesozoic Era, Paleozoic Era, Precambrian Time
Cenozoic, Mesozoic, Paleozoic, Precambrian Time
Cenozoic Mesozoic Paleozoic Precambrian Time
Cenozoic Mesozoic Paleozoic PrecambrianExplanation
The correct answer is Cenozoic, Mesozoic, Paleozoic, Precambrian. This is the correct order of the four time periods (eras) beginning with the most recent one. The Cenozoic era is the most recent era, followed by the Mesozoic era, the Paleozoic era, and finally the Precambrian time.Rate this question:
- 11.
Cyanobacteria does not produce oxygen.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Cyanobacteria is known for its ability to produce oxygen through photosynthesis. They are considered the primary oxygen producers in aquatic environments and are responsible for the oxygenation of the Earth's atmosphere billions of years ago. Therefore, the statement that cyanobacteria does not produce oxygen is false.Rate this question:
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- 12.
What time period am I describing. Rocks dating back in this time were rare because of erosion; hence hardly no fossil records. Rocks were buried and changed by heat and pressure. Fossils could not withstand the conditions.
Correct Answer
Precambrian Time Period
Precambrian Time
PrecambrianExplanation
During the Precambrian Time Period, rocks dating back to this time were rare due to erosion, resulting in very few fossil records. The rocks were buried and underwent changes through heat and pressure, making it difficult for fossils to survive under such conditions.Rate this question:
- 13.
___________ are blue green algae thought to be one of the earliest forms of life on Earth. It contains chlorophyll and photosynthesized meaning it was a plant.
- A.
Mesozoic Era
- B.
Cyanobacteria
- C.
Epochs
Correct Answer
B. CyanobacteriaExplanation
Cyanobacteria are blue green algae that are believed to be one of the earliest forms of life on Earth. They contain chlorophyll and are capable of photosynthesis, indicating that they were a type of plant.Rate this question:
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- 14.
The era of middle life; a time of many changes on Earth.
- A.
Paleozoic
- B.
Mesozoic
- C.
Cenozoic
Correct Answer
B. MesozoicExplanation
The era of middle life, a time of many changes on Earth, refers to the Mesozoic era. This era is known as the age of dinosaurs and is characterized by the diversification and dominance of reptiles. It was a period of significant geological, climatic, and biological changes, including the breakup of the supercontinent Pangaea and the emergence of new plant and animal species. The Mesozoic era lasted from about 252 million to 66 million years ago.Rate this question:
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- 15.
Which era am I describing. The era of ancient life. Fossils can be found in this era because many organisms had hard body parts. Vertebrates, amphibian and reptile began to evolve in this era.
Correct Answer
Paleozoic
Paleozoic eraExplanation
The given description mentions the presence of fossils and the evolution of vertebrates, amphibians, and reptiles. These characteristics are associated with the Paleozoic era, which is known as the era of ancient life. Therefore, the correct answer is Paleozoic or Paleozoic era.Rate this question:
- 16.
During which era were the first land plants formed.
- A.
Precambrian
- B.
Paleozoic
- C.
Mesozoic
Correct Answer
B. PaleozoicExplanation
The Paleozoic era is known as the "Age of the First Land Plants" because it was during this era that the first land plants evolved. This era lasted from around 541 million years ago to 252 million years ago. Land plants played a crucial role in shaping the Earth's ecosystems by providing habitats and food sources for other organisms. They also contributed to the oxygenation of the atmosphere and the formation of soil, which allowed for the colonization of land by other organisms.Rate this question:
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- 17.
Dinosaurs and birds are said to have evolved during The Mesozoic Eera.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Dinosaurs and birds are said to have evolved during the Mesozoic Era. This era, which lasted from about 252 to 66 million years ago, is commonly referred to as the "Age of Dinosaurs." Fossil evidence suggests that birds evolved from a group of small, feathered dinosaurs known as theropods. This evolutionary transition is supported by similarities in skeletal structure, as well as the presence of feathers in some dinosaur fossils. Therefore, it is true that dinosaurs and birds evolved during the Mesozoic Era.Rate this question:
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- 18.
End of this era was believed to be caused by a comet or asteroid colliding with Earth, causing a huge cloud of dust and smoke to rise into the atmosphere, blocking out the sun.
- A.
Paleozoic Era
- B.
Mesozoic Era
- C.
Cenozoic Era
Correct Answer
B. Mesozoic EraExplanation
The Mesozoic Era is known as the age of the dinosaurs and is often referred to as the "Age of Reptiles." It lasted from about 252 million years ago to 66 million years ago. The given statement suggests that the end of this era was believed to be caused by a comet or asteroid colliding with Earth, resulting in a massive cloud of dust and smoke that blocked out the sun. This catastrophic event is commonly associated with the extinction of the dinosaurs and many other species at the end of the Mesozoic Era.Rate this question:
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- 19.
The movie "Jurassic Park" got its title from which era?
- A.
Paleozoic Era
- B.
Mesozoic Era
- C.
Cenozoic Era
Correct Answer
B. Mesozoic EraExplanation
The correct answer is Mesozoic Era. The movie "Jurassic Park" got its title from this era because it primarily focuses on dinosaurs, which were the dominant creatures during the Mesozoic Era. This era is often referred to as the "Age of Reptiles" and is divided into three periods: the Triassic, Jurassic, and Cretaceous. The title "Jurassic Park" specifically references the middle period of the Mesozoic Era, when many iconic dinosaur species existed.Rate this question:
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- 20.
The era of recent life; continues today 1. Part of the Cenozoic Era comprised the Ice Age. 2. Mountain Ranges formed during this period. 3. Mammals became larger. 4. Homo sapiens, wise man, appeared during this era. What era am I describing?
Correct Answer
Cenozoic Era
CenozoicExplanation
The given correct answer is Cenozoic Era. This era is characterized by the presence of Homo sapiens, the appearance of mountain ranges, the enlargement of mammals, and the occurrence of the Ice Age. Therefore, the description provided matches the characteristics of the Cenozoic Era.Rate this question:
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