F ... 19 - Diversity and Systematics Flashcards
five kingdoms
bacteria protista animalia plantae fungi
Divisions of life
bacteria archaea eukarya - fungi - animals - plants
father of systematic botany
Carolus Linnaeus
binomial system of nomenclature
Genus species
problem with common names
one plant known by several names in different regions, confused with other plants of same name
taxonomic hierarchy
domain kingdom phylum class order family genus species
species
individuals closely related by descent from common ancestor, can reproduce with one another but not with other species
cladogram
graphical representation of phylogenetic characteristics
char to consider in plant classification
life span
overall appearance
root system
leaf/flowers
nodes
‘fork’ … represents taxonimic unit
branches
define relationship between taxonomic units
branch length
changes that have occurred in the branch
rooted tree
common ancestor
unrooted tree
only specifies relationship between species, not common ancestor
monophyletic
group of species that descend from a shared single ancestor