Podcast
Questions and Answers
Which process can drive sympatric speciation?
Which process can drive sympatric speciation?
- Mutation
- Natural selection
- Sexual selection (correct)
- Genetic drift
What is a hybrid zone?
What is a hybrid zone?
- A region where species compete for resources
- A region where different species mate and produce hybrids (correct)
- A region where species evolve in isolation
- A region where species migrate and interbreed
What are hybrids?
What are hybrids?
- Species that have complete reproductive barriers
- Species that are genetically identical
- Species that can interbreed freely
- Species that result from mating between species with incomplete reproductive barriers (correct)
Where can a hybrid zone occur?
Where can a hybrid zone occur?
What is the role of sexual selection in cichlid fish speciation?
What is the role of sexual selection in cichlid fish speciation?
Which factor causes reproductive isolation in hybrid zones?
Which factor causes reproductive isolation in hybrid zones?
What is an example of a species that interbreeds in a long and narrow hybrid zone?
What is an example of a species that interbreeds in a long and narrow hybrid zone?
What is the main focus of Concept 22.3?
What is the main focus of Concept 22.3?
What does sexual selection for mates of different colors likely contribute to in cichlid fish?
What does sexual selection for mates of different colors likely contribute to in cichlid fish?
What does a hybrid zone reveal about reproductive isolation?
What does a hybrid zone reveal about reproductive isolation?
Which factor can shift hybrid zones by altering where the habitats of interbreeding species meet?
Which factor can shift hybrid zones by altering where the habitats of interbreeding species meet?
What is the possible outcome when closely related species meet in a hybrid zone and there is reinforcement of barriers?
What is the possible outcome when closely related species meet in a hybrid zone and there is reinforcement of barriers?
Which bird species' hybrid zone has shifted northward in North America with climate warming?
Which bird species' hybrid zone has shifted northward in North America with climate warming?
What is the possible outcome when closely related species meet in a hybrid zone and there is fusion of species?
What is the possible outcome when closely related species meet in a hybrid zone and there is fusion of species?
What is the possible outcome when closely related species meet in a hybrid zone and there is stability?
What is the possible outcome when closely related species meet in a hybrid zone and there is stability?
What is the process called when genetic flow restarts in a hybrid zone?
What is the process called when genetic flow restarts in a hybrid zone?
What is the process called when reproductive barriers between closely related species are strengthened in a hybrid zone?
What is the process called when reproductive barriers between closely related species are strengthened in a hybrid zone?
What is the process called when reproductive barriers between closely related species weaken and they merge into a single species in a hybrid zone?
What is the process called when reproductive barriers between closely related species weaken and they merge into a single species in a hybrid zone?
What is the process called when hybrid individuals continue to be produced without significant changes in the hybrid zone?
What is the process called when hybrid individuals continue to be produced without significant changes in the hybrid zone?
What is the possible outcome when closely related species meet in a hybrid zone and there is no significant change in the hybrid zone?
What is the possible outcome when closely related species meet in a hybrid zone and there is no significant change in the hybrid zone?
