Phylogeny Flashcards Preview

Biology124 lab exam > Phylogeny > Flashcards

Flashcards in Phylogeny Deck (10):
1

Ancestral species and all of its descendants

Clade

2

Occurring at each branch point in a phylogenetic tree

Divergence

3

A scientific approach in which organisms are classified based on ancestral and derived characteristics

Cladistics

4

Described two structures that look the same but do not have the same evolutionary origin

Analogous

5

Two different species that share a common ancestor

Sister

6

A scientific approach in which organisms are classified according to their evolutionary relationships

Taxonomy

7

The opposite of ancestral for a character

Derived

8

When one or more nucleotides are added within a DNA region

Intersection

9

Describes two structures that have a common evolutionary origin but may not look the same

Homologous

10

Used to decide between a simple and complex explanation

Parisomy