Evolutionary Trees and Phylogenetics Flashcards
1
Q
What does the most recent common ancestor represent in a phylogenetic tree?
A
The last shared ancestor between two or more species or populations.
2
Q
How can you determine which species are most closely related?
A
Look for the smallest branch that includes all species being compared.
3
Q
What evidence supports the African origin of Homo sapiens?
A
Fossil records and genetic data showing the greatest genetic diversity in African populations.
4
Q
How do evolutionary trees show relationships?
A
By branching patterns that indicate shared ancestry and divergence.
