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Questions and Answers
What is microevolution?
What is microevolution?
- The formation of new species
- The development of reproductive barriers
- Change in the frequencies of genotypes in a population (correct)
- The process of adaptive radiation
According to Ernst Mayr, what is a species?
According to Ernst Mayr, what is a species?
- A group of organisms that occupy the same ecological niche
- A group of organisms that share a common ancestor
- A group of interbreeding individuals with similar physical characteristics
- A group of potentially interbreeding natural populations that are reproductively isolated from other such groups (correct)
Which of these are prezygotic barriers that prevent mating?
Which of these are prezygotic barriers that prevent mating?
- Behavioral isolation
- Mechanical isolation
- Gametic isolation
- all of the above (correct)
What type of barrier is reduced hybrid fertility?
What type of barrier is reduced hybrid fertility?
Can species interbreed if a barrier to gene flow is established?
Can species interbreed if a barrier to gene flow is established?
What is the process of new species formation through geographic isolation called?
What is the process of new species formation through geographic isolation called?
What type of barrier is mechanical isolation?
What type of barrier is mechanical isolation?
What is the term for barriers that prevent mating from occurring?
What is the term for barriers that prevent mating from occurring?
What term describes the process of rapid evolution of many species from a single ancestor?
What term describes the process of rapid evolution of many species from a single ancestor?
What is the Red Queen Hypothesis related to?
What is the Red Queen Hypothesis related to?
What is the most prevalent form of speciation?
What is the most prevalent form of speciation?
What type of speciation is common in plants and occasional in animals?
What type of speciation is common in plants and occasional in animals?
What type of speciation involves the evolution of many new, diverse species from a common ancestor under new environmental conditions?
What type of speciation involves the evolution of many new, diverse species from a common ancestor under new environmental conditions?
What type of polyploidy involves chromosome duplication in a single species?
What type of polyploidy involves chromosome duplication in a single species?
What is the Dobzhansky–Muller model primarily concerned with?
What is the Dobzhansky–Muller model primarily concerned with?
In sympatric speciation by behavioral change in animals, what leads to genetic isolation?
In sympatric speciation by behavioral change in animals, what leads to genetic isolation?
What is the term for the process of rapid evolution of many species from a single ancestor under new environmental conditions?
What is the term for the process of rapid evolution of many species from a single ancestor under new environmental conditions?
What type of speciation involves species arising from a connected population?
What type of speciation involves species arising from a connected population?
What is the term for the mutual evolutionary influence between two species occurring in the same environment?
What is the term for the mutual evolutionary influence between two species occurring in the same environment?
What is the most prevalent form of speciation?
What is the most prevalent form of speciation?
In sympatric speciation, what is the common result of polyploidy in plants?
In sympatric speciation, what is the common result of polyploidy in plants?
What is the Dobzhansky-Muller model about?
What is the Dobzhansky-Muller model about?
What is the result of sympatric speciation by behavioral change in animals?
What is the result of sympatric speciation by behavioral change in animals?
What is the main cause of reproductive isolation in sympatric speciation by polyploidy in plants?
What is the main cause of reproductive isolation in sympatric speciation by polyploidy in plants?
What is the result of allopatric speciation?
What is the result of allopatric speciation?
What is the distinguishing feature of autopolyploidy in sympatric speciation?
What is the distinguishing feature of autopolyploidy in sympatric speciation?
What is the outcome of allopatric speciation in Hawaiian Drosophila?
What is the outcome of allopatric speciation in Hawaiian Drosophila?
What is the primary cause of sympatric speciation by polyploidy in animals?
What is the primary cause of sympatric speciation by polyploidy in animals?
What is the common result of sympatric speciation by behavioral change in animals?
What is the common result of sympatric speciation by behavioral change in animals?
True or false: Allopatric speciation can occur when a part of a population is isolated due to a geographic barrier and establishes a new population.
True or false: Allopatric speciation can occur when a part of a population is isolated due to a geographic barrier and establishes a new population.
True or false: In allopatric speciation, gene flow continues between the separated populations.
True or false: In allopatric speciation, gene flow continues between the separated populations.
True or false: Sympatric speciation by polyploidy is more common in animals than in plants.
True or false: Sympatric speciation by polyploidy is more common in animals than in plants.
True or false: The Dobzhansky-Muller model involves the fixation of incompatible alleles at different loci in independently evolving lineages.
True or false: The Dobzhansky-Muller model involves the fixation of incompatible alleles at different loci in independently evolving lineages.
True or false: Adaptive radiation refers to the evolution of a few specialized species from a common ancestor under stable environmental conditions.
True or false: Adaptive radiation refers to the evolution of a few specialized species from a common ancestor under stable environmental conditions.
Allopatric speciation occurs when a physical barrier separates a population, leading to genetic isolation and divergence of gene pools.
Allopatric speciation occurs when a physical barrier separates a population, leading to genetic isolation and divergence of gene pools.
Sympatric speciation can occur without geographic barriers, often through polyploidy in plants or behavioral changes in animals.
Sympatric speciation can occur without geographic barriers, often through polyploidy in plants or behavioral changes in animals.
Adaptive radiation refers to the evolution of many new, diverse species from a common ancestor under new environmental conditions.
Adaptive radiation refers to the evolution of many new, diverse species from a common ancestor under new environmental conditions.
The Red Queen Hypothesis is related to the coevolutionary arms race, for example between hosts and parasites.
The Red Queen Hypothesis is related to the coevolutionary arms race, for example between hosts and parasites.
The term 'microevolution' refers to the change in frequencies of genotypes in a population.
The term 'microevolution' refers to the change in frequencies of genotypes in a population.
Allopatric speciation involves the evolution of many new, diverse species from a common ancestor under new environmental conditions
Allopatric speciation involves the evolution of many new, diverse species from a common ancestor under new environmental conditions
Sympatric speciation can only occur in animals, not in plants
Sympatric speciation can only occur in animals, not in plants
Prezygotic barriers prevent mating from occurring, while postzygotic barriers operate after mating occurs
Prezygotic barriers prevent mating from occurring, while postzygotic barriers operate after mating occurs
Reduced hybrid fertility is a type of prezygotic barrier
Reduced hybrid fertility is a type of prezygotic barrier
Allopatric speciation involves the evolution of many new, diverse species from a common ancestor under new environmental conditions
Allopatric speciation involves the evolution of many new, diverse species from a common ancestor under new environmental conditions
Reduced hybrid fertility is a type of prezygotic barrier
Reduced hybrid fertility is a type of prezygotic barrier
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