includes similar species
genus
What are the four eukaryotic kingdoms?
Animalia, Fungi, Plantae, Protista
What are the three domains?
Eukarya, Bacteria, Archaea
is a group of organisms that are very closely related
species
Who simplified the naming of living things with a two-part scientific name?
Carolus Linnaeus
An organism's binomial nomenclature is made up of its:
genus (uppercase) then species (lowercase)
all italicized
represents the largest differences among organisms in classification
domain
Why do classification systems change over time?
increased knowledge of genetics leads to reclassification
What is the difference between an autotroph and a heterotroph?
autotrophs, make their own food.
heterotrophs, eat other organisms for food.
the science of describing, classifying, and naming living things
taxonomy
How has the classification of living things changed over time?
Scientists can now classify living things according to DNA. In the past, scientists could only look at physical characteristics
What is a cladogram?
shows the relationship between species according to common characteristics along a line. branches extend from this line.
uses a series of paired statements to identify organisms
dichotomous key
What is true about all species that have the same genus?
They share a common ancestor.
Name the eight levels of classification from most general to most specific.
domain, kingdom, phylum, class, order, family, genus, and species