Chapter 1 Phylogeny Flashcards
1
Q
What involves the reconstruction and study of the evolutionary relationships among organisms?
A
Systematics
2
Q
What does a phylogeny diagram represent?
A
The hypothesized evolutionary relationships among species or higher taxa.
3
Q
How do you determine how closely related two species are on a phylogenetic tree?
A
By looking at how recently they share a common ancestor.
4
Q
What is the standard method of naming species using a scientific two-part name?
A
binomial nomenclature
5
Q
What are derived characters?
A
Characteristics shared with the most recent common ancestor of a group, but NOT with prior ancestors.
6
Q
What does a cladogram depict?
A
A hypothesis of evolutionary relationships.
