Classifying Organisms 16-23

Why do scientists classify

Organizing stuff makes it easier to use

placing things into groups

clasification

when an organism is classified (crow is a bird)

naming organisms

Binomial nomenclature (two names)

genus is the first word in the two word scientific name of an animal

the genus is the grouping that contains similar traits such as cats and pumas both have the felis genus

the second word describes specific features of an animal ex: a house can is Felis domesticus because of domestic means of the house.

the two words tell the which species

levels of clasification

most to least, the more levels you share, the more you have in common

domain, kingdom, phylum, class, order, family, genus, species

Taxonomic keys

useful for determining identity of organisms

start with the first step and then go where it tells you to go

Evolution and clasification

Darwin's theory claimed that species do change

it is called evolution