Chapter 26 Phylogeny

Question 0

Systematics

Answer 0

Disciplines that classify organisms and determines their evolutionary relationship

Question 1

Phylogeny

Answer 1

Evolutionary history of species or groups of species

Question 2

Taxonomy

Answer 2

The ordered naming and division of organisms

Question 3

Binomial nomenclature

Answer 3

First half -genus

Second half - specific epithet

Question 4

Hierarchical classification

Answer 4

Systems of grouping organism into increasingly broader categories

Question 5

Taxon

Answer 5

Term for all levels of classification

Question 6

Phylocode

Answer 6

Recognizes only groups that include common ancestors and all descendants

Question 7

Branch point

Answer 7

Divergence of two species

Question 8

Sister taxa

Answer 8

Groups that share an emediate common ancestor

Question 9

Rooted tree

Answer 9

Phylogenic tree that includes last common ancestor of all taxa in the tree

Question 10

Basil taxon

Answer 10

Species that diverged early in the history of a group, close to a common ancestor

Question 11

Polytomy

Answer 11

Branch which more than two groups emerge ( unknown divergence )

Question 12

homology

Answer 12

Phenotypic or genetic similarities due to common ancestor

Question 13

Analogy

Answer 13

Phenotypic or genetic similarities due to convergent evolution

Question 14

Cladistics

Answer 14

Groups organisms on common ancestors

Question 15

Clad

Answer 15

Group of species that includes common ancestor and all descendants

Question 16

Monopheletic (clad)

Answer 16

Ancestral species and all descendants

Question 17

Paraphyletic

Answer 17

Ancestral species and and some descendants

Question 18

Polyphyletic

Answer 18

Taxa with different ancestral species