Bio 26

Question 1

A group of closely
related organisms,
or taxonomic unit,
at any level of
hierarchy is called

Answer 1

Taxon

Question 2

Is the evolutionary history of a species or group of related species

Answer 2

Phylogeny

Question 3

Groups that share an immediate common ancestor that is not shared by any other groups

Answer 3

Sister Taxa

Question 4

Diverges early in the history of a group and originates near the common ancestor of the group

Answer 4

Basal Taxon

Question 5

Classifies organisms and determines their evolutionary relationships

Answer 5

Systematics

Question 6

A group of species that includes an ancestral species and all its descendants

Answer 6

Clade

Question 7

A Clade signifying that it consists of the ancestor species and all it describes

Answer 7

Monophyletic

Question 8

A grouping which consists of ancestral species and some, but not all, of its descendents

Answer 8

Paraphyletic

Question 9

A grouping which includes distantly related species but not include their most recent common ancestor

Answer 9

Polyphyletic

Question 10

A shared ancestral character, blank, is a character that originated in an ancestor of the taxon

Answer 10

Symplesiomorphy

Question 11

A shared derived character, blank, is an evolutionary character unique to a particular clade

Answer 11

Synapomorphy