12.1
What is a species?

Are different species always very different looking?

What is a biological species?

Can different, but similar, biological species mate and have offspring?

What is a genealogical species?

Can different, but similar, genealogical species mate and have offspring?
What is a morphological species?

Which definition for species essentially separates different races of similar organisms?

Which definition for species is most applicable to fossilized remains?

How do new species develop?

What are the five basic pre-fertilization barriers?  Can you give examples of each?

What are the two basic post-fertilization barriers? Can you give examples of each?

Is there a scientifically determined minimum number of years required to result in two separated populations becoming two different species?

What is a population?

What is gene flow?

How do genes flow between populations?

How can gene flow be prevented? (Hint:  pre- and post-fertilization barriers.)

Do two separate species always look different?

Do two members of a species always look the same?


Not on Final:


Are the so-called races of humans different biological species?

When did modern humans develop?

Where did all modern humans originate?

Where are the most genetically diverse populations of humans found?

Are there any race-specific alleles among humans? (See page 297)

Do populations of humans classified as the same “race” have the same allele frequencies? (See pages 298-99)