Lecture 3

What is a species?

what is a morphological species?

What are Phylogenetic Species?

What proportion of species are vertebrates?

How many new species are discovered a year?

What percentage of known species have now become extinct?

what percentage of present day species are predicted to go extinct>

how many of the worlds' species of birds that could go extinct?

What is the Bonarelli Event
/Anoxic Event?

What is the Mega-Funa extinction?
And what was the cause of it?

In Madagascar, what species went
extinct due to human hunting?

Why have African Mega-fauna survived?

Why are islands so vulnerable?

What has happened to the rate of extinction in the last 150 years?

what percentage of vertebrates could become extinct by the end of the year?

What is the increased percentage of the worlds birds that have become critically endangered?

Why is this mass extinction notable?

What is an endemic species?

Give some examples of an endemic species?

If we protected 1.4% of the worlds land surface, what would that preserved?

What percentage of human population are located in hotspots?

Why are species going extinct in hotspots?

what are some of the causes of extinction (direct or indirect)?

What is happening to the frog population around the world?

Why have some frog species
declined although they live in pristine, well protected habitats?

What are some of the other reasons why frogs are declining in populations?