Chapter 26 Flashcards
the evolutionary history of a species
phylogeny
the study of relationships among organisms
systematics
the identification and classification of species
taxonomy
show evolutionary relationships among different groups
phylogenetic trees
- taxonomy uses a ___ classification system.
- the classification system was developed by the 18th century Swedish botanist ___.
- hierarchical
- Carolus Linnaeus
a category is called a ___
taxon
taxonomic groups from highest to lowest
domain, supergroup, kingdom, phylum, class, order, family, genus, species
do something kind please come over for good sake
human classification: domain: supergroup: kingdom: Phylum: class: order: family: genus: species:
- eukarya
- opisthokonta
- animalia
- chordata
- mammalia
- primates
- hominidae
- homo
- homo sapiens
___ developed the 2-part or ___ latin or latinized name for species
- linnaeus
- binomial
the first part of the species name consists of the ___
the second part of the species name consists of the ___
species names are always in ___ or ___
- genus
- specific epithet
- italics, underlined
all species in the taxon arose from a single ancestor
monophyletic
has species that arose from more than one ancestor
polyphyletic
when not all of an ancestors’s descendants are included in a taxon
paraphyletic
classification based on phylogeny
cladistic analysis
cladists construst phylogenic trees (cladograms) based on the ___
branching off of different lienages