Classification

.meta

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

Classification

Classification meas putting things into groups/classes
Biological classification: look for features that organisms share with others ( which suggests they are related to one another )
reflects evolutionary relationships

Species

[!def]
A species is a group of organisms that are capable of interbreeding to produce fertile offspring
可以繁殖，后代可以继续繁殖

Singular and Plural: species

Binomial system

how biologists name each species on Earth
first name in the binomial is the name of the genus. Capital Letter. (属名)
second name is binomial is the name of the species. Small Letter. (种名)

[!Advantages]
international system
same name in all parts of the world
genus name helps identify closely related species