Lesson 2 Flashcards
(14 cards)
Linnaean naming system?
Binomial Nomenclature aka the scientific naming system!
Phylogenetic systematics?
When determining similarities by phenotypic differences.
What were the two approaches to taxonomy? (2•)
•Earliest approach: Grouping animals with morphological similarities.
•Later approach: Grouping animals with evolutionary relationships.
Cladistics?
Analyzing different clades in a phylogeny.
Monophyly?
A single clade after a common ancestor.
The outgroup of a phylogeny?
The organism in which the most recent common ancestor is the common ancestor of the monophyly.
Synapomorphies?
A characteristic that is developed by a common ancestor and brought down by its descendants.
Analogous traits?
A trait developed repeat by convergent evolution.
Homoplasies?
Another word for analogous traits.
Homologous traits?
A trait inherited from a common ancestor.
Extant?
Currently alive species (non-extinct).
Relative Abundances?
The percent abundance of a species compared to all organisms in the area.
Absolute abundances?
Knowing the exact number of individuals of a species in an area.
Area constraint?
Going to a specific area many times to get as much information as possible.
