phylogenic classification Flashcards
(34 cards)
what does a phylogenitic method do
groups closely related organisms together
what is significance of organisms being in the same group
more recent common ancestor than those not in their group
how are phylogenic relationships shown as
phylogenetic trees
what do branch points represent
common ancestors of organisms in the branches
what does phylogenetic mean
evolutionary relatedness
where are living organisms shown in the tree
at the tips of branches
where are extinsct organisms shown in the tree
trunk of the tree
defenition of phylogenetic
evolutionary relatedness
reflects evolutionary history
defenition of hierarchical
system of ranking in which small groups are nested components of larger groups
defenition of discrete
can only fit 1 classification group at any level
defenition of tentative
classification system may be changed as more information becomes available
what are taxa
levels of classification
what do large taxa contain
smaller taxonomic groups
corrolation as you move down the taxonomic groups
become more closely related as you move down
what are the groups after domains
king phillip came over for good spaghetti
what type of group are taxa
discrete
why are taxa discrete
cannot belong to more than one taxon at any level
how can you describe classification as being
hierarchical
what does phylogenetic classification system allow us to do
infer evolutionary relationships
when describing health of ecosystem what taxa do they use
families
taxonomy defintion
the identification and naming of organisms
classification definiton
putting items into groups
hierarchy defenition
a system of ranking in which small groups are nested components of larger groups
taxon defenition
any group within a system of classification
