Reversed CHapter 18 class notes Flashcards
What is the basic unit of matter?
The atom
Systematics
The science of naming and grouping organisms
Phylogeny
The evolutionary history of lineages
Phylogenic systematics
Groups species into categories based on their evolutionary commonalities
What is a node
A specification branch of a cladogram
What is an internode
The ancestral branch of a cladogram
What is the root of a cladogram
the common ancestor
Derived Character
A trait that arose in the most recent common ancestor of a particular lineage that was passed on to its descendants
Primitive Character
A characteristic possessed by the members of a particular clade that evolved before the branching of the clade was defined
What does DNA do?
Stores, replicates, and transmits info
Homology
Similarity
Similarity
Homology
