grouping of organisms into related groups. demonstrating evolutionary relations
what is another name for classification
what language are scientific names usually based on?
sometimes, scientific names may be ____ or_______ instead of Latin
Greek or latinized
why dont scientists around the world just use more simple, common names for organisms
scientific names are consistent.
who was the first taxonomist and developed the naming system we use today?
Carl von Linne (Carolus Linnaeus)
What 2 kingdoms did Carolus group organisms into?
Plants and animals
What is Linnaeus's naming system called?
explain binomial nomenculture
2 name naming system
How do scientific names appear in print
underlined or italicized. Genus is capitalized
what were the problems with the Scientific names prior to Linnaeus
long and unwieldy
name the 9 taxon in order from broadest to most specific
what is the newest and broadest taxon
Instead of the taxon phylum, what other taxon is used for plants at this level?
what is the most specific taxon
A family is composed of a number of related ________
how many domains are there
name the three domains
What are the main characteristics of Archaea and Eubacteria
Prokaryotes (no membrane bound organelles, small, no nucleus, single celled)
what are the main characteristics of the Domain Eukarya
Eukaryote (membrane bound organelles, nucleus, large, more recent development)
What is thought to be true about the three domains of living things?
Archaea and Eubacteria diverged prior to the evolution of Eukarya
Where to the Archaea live?
Where are eubacteria found
everywhere (not extreme or steril)
List the 4 kingdoms of Eukarya
Which 2 kingdoms contain all multicellular members?
What is a slang name for the kingdom protista and why is this name appropriate
Microscopic organisms found in pond water are most likely in the kingdom ______
all membranes of the kingdom fungi are _____ except for unicellular ______
Describe the primary characteristics of fungi?
The cell walls of fungi are made of ____
members of the kingdom plantae are all ______ and _____
Plant cell walls are made of _____
animals are _____ and ______that lack ______
multicellular, heterotrophs, a cell wall
a genera may contain a number of different ______
what genera doesnt contain a number of different species
List three examples of things used as a basis for modern taxonomy
what are homologous structures?
anatomical structures that are similar
what are the advantages and disadvantages of using structural homologies
advantage: used for fossils
disadvantage: look similar but aren't the same therefor can be misleading leads to convergent evolution
At the molecular level, similarities in ____, _____, or the _____ ______ sequence of proteins can be a basis for grouping organisms together
DNA, RNA, amino acids
how mights we come to understanding the relatedness of two very dissimilar organisms such as a cow and a yeast
what is a cladogram?
tree of life, demonstrates evolutionary relationships
what is a derived characteristic
an evolutionary innovation,
something new, a new trait emerging