Primates form a ________ clade; great apes, deeply nested within the primate order, form a ________ clade.

A) monophyletic; polyphyletic
B) monophyletic; monophyletic
C) polyphyletic; paraphyletic
D) polyphyletic; monophyletic

Monophyletic

Describes a group of organisms that are classified in the same taxon and share a common ancestor.

Polyphyletic

Describes a taxonomic group that does not share an immediate common ancestor and therefore does not form a clade.

Clade

A single “branch” in the tree of life; each clade represents an organism and all of its descendants.