Taxonomy & Classification
What is the correct order of the Linnaean hierarchy?
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species.
Name the three domains of life.
Bacteria, Archaea, Eukarya.
What does a node represent on a phylogenetic tree?
A common ancestor.
Define microevolution.
Change in allele frequencies in a population over time.
What is binomial nomenclature?
Two-part scientific naming: Genus capitalized + species lowercase, italicized.
Which domains are prokaryotic?
Bacteria and Archaea
Where is the oldest ancestor located on a tree?
The root/base.
Which taxonomic level is most inclusive?
Domain
Where are Archaea commonly found?
Extreme environments (extremophiles).
What is an outgroup?
A distantly related lineage used for comparison.
Who developed the classification system used today?
Carolus Linnaeus.
What is the plant cell wall made of vs fungus cell wall?
cellulose; Fungi: chitin.
What are shared derived traits called?
Synapomorphies
What is the primary basis of modern taxonomy?
Genetic and molecular similarity.
Why are protists considered a 'catch-all' group?
They are diverse eukaryotes not fitting Plant/Animal/Fungi
If two species share many DNA similarities, what does this indicate?
They share a more recent common ancestor.