Podcast
Questions and Answers
What is the key requirement for the process of evolution to occur?
What is the key requirement for the process of evolution to occur?
- Geographic variation in habitats
- Post-zygotic barriers
- Source of change (variation) (correct)
- Hybrid unavailability
Which mechanism of change involves random events and genetic drift?
Which mechanism of change involves random events and genetic drift?
- Artificial selection
- Directional forces
- Genetic drift (correct)
- Natural selection
What is the main function of fossils in demonstrating common ancestry?
What is the main function of fossils in demonstrating common ancestry?
- Prevention of decomposition via oxygen exposure
- Preservation of remains via mineralization
- Rapid burial of organisms
- Showing connections within species through exhibited traits (correct)
Why are fossilization conditions important for the preservation of remains?
Why are fossilization conditions important for the preservation of remains?
What is the Law of Fossil Succession used for in dating fossils?
What is the Law of Fossil Succession used for in dating fossils?
What do transitional fossils demonstrate within an evolutionary pathway?
What do transitional fossils demonstrate within an evolutionary pathway?
What is the Founder Effect?
What is the Founder Effect?
Which era is known for having 'old life' and 'squiggly, wormy life'?
Which era is known for having 'old life' and 'squiggly, wormy life'?
During which period did dino life end due to an asteroid that killed almost everything?
During which period did dino life end due to an asteroid that killed almost everything?
What is Biological Evolution defined as?
What is Biological Evolution defined as?
Which eon is characterized by Earth being a ball of hot rock with the moon in the process of forming?
Which eon is characterized by Earth being a ball of hot rock with the moon in the process of forming?
What does the term 'hybrid infertility' refer to?
What does the term 'hybrid infertility' refer to?
What is the term used to describe a species that is common only to a specific geographical area?
What is the term used to describe a species that is common only to a specific geographical area?
In cladistics, what does a clade consist of?
In cladistics, what does a clade consist of?
What does homologous structure refer to?
What does homologous structure refer to?
What is the main factor that leads to analogous structures in distantly related species?
What is the main factor that leads to analogous structures in distantly related species?
How are cladograms used to represent evolutionary relationships?
How are cladograms used to represent evolutionary relationships?
What does a speciation event represent on a cladogram?
What does a speciation event represent on a cladogram?
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