classification Flashcards
define classification
process by which organisms are sorted into groups
what are the taxonomic groups
kingdom
phylum
class
order
family
genus
species
what caused the addition of the domain class
genetic analysis
why do scientists classify organisms
identify species
predict characteristics
find evolutionary links
define species
group of organisms that are able to reproduce to produce fertile offspring
why do organisms produced from reproduction between species
odd number of chromsomes
before classification how were organisms ordered
observable physical characteristics, behaviour or habitat (common names)
why is binomial nomenclature used
useful for scientists working internationally
define animal kingdom
organism that moves, ate, grew to certain size and stopped growing
define plant kingdom
organisms that doesn’t move, eat and grows throughout their life
what are the 5 kingdoms
prokaryotae
protoctista
fungi
plantae
animalia
define woese’s system
uses difference in the sequence of rRNA and cells’ membrane structure and their sensitivity to antibiotics
what are the 3 domains
eukarya
archaea
bacteria
