As you go down in the taxon hierarchy, is it easier or harder for each taxon to go extinct? Why?

How do taxon survival times change as you go down a taxon?

What is Darwin's reason for extinction?

What are the characteristics that increase extinction risk and which is the most important?

What is population shochasticity?

What is the equation for the probability of extinction?

What is the equation for the probability of extinction when birth and death rate are the same? What is its significance?

Is there still a risk of extinction at very very high population sizes? Why (not)?

What is the relationship between population range and the probability of extinction? Why?

How many mass extinctions have there been? Which was the worst?

What proportion of families and species were lost during the Late Permian mass extinction?

What is the effect of mass extinctions on the course of evolution?

What are the two possible causes of the Late Permian mass extinction and define them?

What are the results of massive volcanic activity?

What evidence is there for a bolide impact causing the Late Permian mass extinction?

What are the potential reasons for the extinction of large mammals after recent ice ages? Which one contributed more and how do we know this??

What is the equation for the relationship between species loss and loss of evolutionary history? What are the assumptions we have to make for this equation to be correct?