Types Of Evolution Quiz

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Questions: 10 | Attempts: 251 | Updated: Mar 21, 2023

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Do you know that Dinosaurs weren't the first reptile to evolve on this planet? Or, it took 5 million years for the evolution of humans? For more interesting facts, take the online types of evolution quizzes. Share the quiz with peers to help enhance their knowledge.

Questions and Answers

1.

In a specific population, disruptive selection occurs. Which is most likely to survive?
- A.
  
  Organisms that are small
- B.
  
  Organisms with average traits
- C.
  
  Organisms with extreme traits
Correct Answer
C. Organisms with extreme traits

Explanation
In a specific population, disruptive selection occurs when individuals with extreme traits have a higher fitness compared to individuals with average traits. This means that organisms with extreme traits are more likely to survive and pass on their genes to the next generation. This is because they are better adapted to the specific environmental conditions or have a competitive advantage over others. On the other hand, organisms that are small or have average traits may not have the same level of adaptation or advantage, making them less likely to survive in this scenario.

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2.

In a population that is isolated to an island with no immigration, the incidence of a certain type of genetic leg deformity is much higher than in the mainland population. What is this an example of?
- A.
  
  Founder effect
- B.
  
  Genetic drift
- C.
  
  Natural selection
Correct Answer
A. Founder effect

Explanation
The higher incidence of a certain type of genetic leg deformity in a population that is isolated to an island with no immigration suggests that this is an example of the founder effect. The founder effect occurs when a small group of individuals establish a new population, and the genetic variation of the new population is determined by the genetic makeup of the founders. In this case, it is likely that the individuals who initially colonized the island had a higher frequency of the genetic leg deformity, leading to its increased incidence in the isolated population.

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3.

What type of selection is demonstrated in this picture?
- A.
  
  Sexual
- B.
  
  Disruptive
- C.
  
  Directional
- D.
  
  Stabilizing
Correct Answer
D. Stabilizing

Explanation
The type of selection demonstrated in the picture is stabilizing selection. Stabilizing selection occurs when individuals with intermediate traits have higher fitness compared to individuals with extreme traits. This leads to a reduction in genetic variation in the population over time, as the intermediate traits become more common. In the picture, if the individuals with intermediate traits have a higher chance of survival or reproduction, this would be an example of stabilizing selection.

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4.

In a particular population, bears with big feet tend to survive better in the snow than bears with small feet. Over time, the bear population has more bears with big feet. This is an example of:
- A.
  
  Stabilizing selection
- B.
  
  Directional selection
- C.
  
  Disruptional selection
Correct Answer
B. Directional selection

Explanation
This scenario demonstrates directional selection. Directional selection occurs when individuals with a particular extreme trait have a higher fitness and survival advantage, leading to a shift in the population towards that extreme trait. In this case, bears with big feet have a better chance of survival in the snow, so over time, more bears with big feet will be selected for and the overall population will have a higher proportion of bears with big feet.

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5.

Buffalo nearly became extinct but recovery efforts have saved them. The buffalo from this century have very similar DNA to each other -- LESS diverse than prior centuries. This is an example of:
- A.
  
  Bottle Neck effect
- B.
  
  Stabilizing selection
- C.
  
  Directional selection
Correct Answer
A. Bottle Neck effect

Explanation
The given scenario describes a situation where the buffalo population nearly became extinct but was saved through recovery efforts. As a result, the current buffalo population has very similar DNA to each other, indicating a decrease in genetic diversity compared to previous centuries. This is a clear example of the bottleneck effect, which occurs when a population undergoes a drastic reduction in size, leading to a loss of genetic variation.

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6.

Any characteristic that can help an organism survive and/or reproduce can be called a(n):
- A.
  
  Gene
- B.
  
  Species
- C.
  
  Adaptation
- D.
  
  Specialization
Correct Answer
C. Adaptation

Explanation
An adaptation refers to any characteristic that enables an organism to survive and reproduce in its environment. It could be a physical feature, a behavior, or a physiological process that enhances the organism's ability to thrive in its surroundings. Adaptations can include traits such as camouflage, mimicry, or the ability to withstand extreme temperatures. These adaptations are crucial for an organism's survival as they increase its chances of successfully reproducing and passing on its genes to the next generation.

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7.

What model of evolution suggests that species stay the same for a long period of time, then change abruptly due to mutations in key genes?
- A.
  
  Punctuation equilibrium
- B.
  
  Gradualism equilibrium
Correct Answer
A. Punctuation equilibrium

Explanation
Punctuation equilibrium suggests that species remain relatively unchanged for extended periods of time, referred to as stasis, and then undergo rapid and significant changes due to mutations in key genes. This model of evolution proposes that evolution occurs in bursts rather than as a continuous and gradual process. It contrasts with gradualism equilibrium, which suggests that evolution occurs slowly and steadily over time.

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8.

Speciation occurs when
- A.
  
  Two populations become geographically isolated
- B.
  
  One population move to a different area
- C.
  
  Enough differences accumulate between two populations that they can no longer interpreed
- D.
  
  Gene mutations accumulate
Correct Answer
C. Enough differences accumulate between two populations that they can no longer interpreed

Explanation
Speciation occurs when enough differences accumulate between two populations that they can no longer interbreed. This means that over time, genetic variations and adaptations accumulate in each population, leading to reproductive isolation. As the populations continue to evolve independently, their genetic differences become significant enough that individuals from one population are no longer able to successfully reproduce with individuals from the other population. This lack of interbreeding ultimately results in the formation of two distinct species.

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9.

Who wrote the book, The Origin of Species?
- A.
  
  John Muir
- B.
  
  Georges Cuvier
- C.
  
  Charles Darwin
- D.
  
  Terri Irwin
Correct Answer
C. Charles Darwin

Explanation
Charles Darwin wrote the book, The Origin of Species. This book, published in 1859, is considered one of the most important works in the field of biology. In it, Darwin presented his theory of evolution by natural selection, which revolutionized our understanding of the diversity of life on Earth. Darwin's extensive research and observations led him to propose that species evolve over time through a process of gradual changes and adaptations. His book sparked widespread debate and controversy, but it also laid the foundation for modern evolutionary biology.

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10.

How many types of natural selection are there?
- A.
  
  6
- B.
  
  3
- C.
  
  7
- D.
  
  2
Correct Answer
B. 3

Explanation
There are three types of natural selection. Natural selection is the process by which certain traits become more or less common in a population over time. The three types of natural selection are directional selection, stabilizing selection, and disruptive selection. In directional selection, one extreme phenotype is favored, leading to a shift in the population's average phenotype. Stabilizing selection favors the average phenotype and reduces variation in a population. Disruptive selection favors extreme phenotypes and can lead to the formation of two distinct populations.

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Mar 21, 2023

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Mar 09, 2021

Quiz Created by
Themes

Types Of Evolution Quiz

In a specific population, disruptive selection occurs. Which is most likely to survive?

In a population that is isolated to an island with no immigration, the incidence of a certain type of genetic leg deformity is much higher than in the mainland population. What is this an example of?

What type of selection is demonstrated in this picture?

In a particular population, bears with big feet tend to survive better in the snow than bears with small feet. Over time, the bear population has more bears with big feet. This is an example of:

Buffalo nearly became extinct but recovery efforts have saved them. The buffalo from this century have very similar DNA to each other -- LESS diverse than prior centuries. This is an example of:

Any characteristic that can help an organism survive and/or reproduce can be called a(n):

What model of evolution suggests that species stay the same for a long period of time, then change abruptly due to mutations in key genes?

Speciation occurs when

Who wrote the book, The Origin of Species?

How many types of natural selection are there?