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BSC1010 CHAPTER 22 TESTBANK EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GUARANTEED A++ GRADE
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BSC1010 CHAPTER 22 TESTBANK EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GUARANTEED A++ GRADE punctuated equilibrium A model that assumes that evolution occurs in spurts, between which there are long periods of stasis with little evolutionary change. biological definition of species a g...

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  • September 22, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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BSC1010 CHAPTER 22 TESTBANK EXAM QUESTIONS

AND ANSWERS WITH COMPLETE SOLUTIONS

GUARANTEED A++ GRADE


punctuated equilibrium


A model that assumes that evolution occurs in spurts, between which there are long periods of stasis

with little evolutionary change.


biological definition of species


a group of organisms that are reproductively isolated from other such groups


Locked speciation


recurrent isolation promotes


Adaptive radiation


is the phenomenon where one species diverges into many by occupying a series of different habitats

within a region


character displacement


the process by which related species become more different in order to reduce competition


The model that assumes that evolution proceeds with slow successive change in a given evolutionary

line is referred to as

, C. Gradualism


The type of speciation that results in the formation of separate species as a result of geographic

isolation is called


C. allopatric speciation


When species are kept separate by preventing the formation of hybrid zygotes, the mechanism that

keeps the species separate is known as a _______________ isolating


C. prezygotic


A type of isolating mechanism that leads to reproductive isolation after a hybrid zygote has formed is

called a ________________ isolating mechanism


B. Postzygotic


Which isolating mechanism is postzygotic?


A. hybrid sterility


Evolution acts at the level of the


B. population


Hybridization regularly occurs between three species of Darwin's finches on Daphne Major, but the

finches are still considered different species because


D. they occupy different niches


According to the Biological Species Concept, two groups of organism that are unable to form fertile,

viable hybrids are considered to be different


B. species

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