Podcast
Questions and Answers
What is the major factor that may limit gene flow between apple maggot fly species that use different hosts but share many alleles?
What is the major factor that may limit gene flow between apple maggot fly species that use different hosts but share many alleles?
- Genetic mutations
- Subtle habitat differences (correct)
- Temporal differences
- Reproductive isolation
Which concept defines rapidly diverging species based on phylogenetic criteria?
Which concept defines rapidly diverging species based on phylogenetic criteria?
- Hybridization concept
- Biological species concept
- Gene flow concept
- Phylogenetic species concept (correct)
According to Ernst Mayr's Biological species concept, what defines a species?
According to Ernst Mayr's Biological species concept, what defines a species?
- Habitat overlap
- Gene flow
- Temporal isolation
- Reproductive isolation (correct)
In the context of incipient species divergence, what causes sympatric speciation?
In the context of incipient species divergence, what causes sympatric speciation?
What type of reproductive isolation mechanism is pollinator preference an example of?
What type of reproductive isolation mechanism is pollinator preference an example of?
Threats to species diversity can arise from which of the following?
Threats to species diversity can arise from which of the following?
What recent phenomenon has been observed in Cichlid fish populations in polluted lakes?
What recent phenomenon has been observed in Cichlid fish populations in polluted lakes?
What does the text suggest as a post-zygotic barrier to hybridization in terms of African cichlid fish?
What does the text suggest as a post-zygotic barrier to hybridization in terms of African cichlid fish?
What is a characteristic of allopatric speciation?
What is a characteristic of allopatric speciation?
In the context of African cichlid fish, what was a factor contributing to initial divergence among incipient species?
In the context of African cichlid fish, what was a factor contributing to initial divergence among incipient species?
Which of the following is NOT mentioned as a barrier to hybridization in the context of Hawaiian honeycreepers?
Which of the following is NOT mentioned as a barrier to hybridization in the context of Hawaiian honeycreepers?
How did sympatric speciation occur in African cichlid fish according to the text?
How did sympatric speciation occur in African cichlid fish according to the text?
What is a significant threat to species diversity in California Mimulus (monkeyflowers) according to the text?
What is a significant threat to species diversity in California Mimulus (monkeyflowers) according to the text?
Which process involves physical or external barriers to gene flow?
Which process involves physical or external barriers to gene flow?
In the context of genetic divergence, what does clinal variation refer to?
In the context of genetic divergence, what does clinal variation refer to?
What type of mating may counter intermating between individuals with distinct phenotypes?
What type of mating may counter intermating between individuals with distinct phenotypes?
What is a key factor that influences the adaptive process according to Antonovics and Bradshaw (1970)?
What is a key factor that influences the adaptive process according to Antonovics and Bradshaw (1970)?
How does assortative mating affect subpopulations?
How does assortative mating affect subpopulations?
