biology 12.1 - classification basics

What is classification?

The act of arranging organisms into groups based of their similarities and differences

What is taxonomy?

The study of classification

What are the taxonomic groups used in classification?

Domain

Kingdom

Phylum

Class

Order

Family

Genus

Species

What are the names of the 5 kingdoms?

Prokaryotae

Protoctista

Fungi

Plantae

Animalia

What does the prokaryotae kingdom include?

Unicellular prokaryotic organisms with no nucleus and are less than 5 micrometres in size. Some in this kingdom (the bacteria) have peptidoglycan cell walls

What does the protoctista kingdom include?

Unicellular or simple multicellular eukaryotic organisms that usually live in water

What does the fungi kingdom include?

Uni or multicellular eukaryotic organisms that have a chitin cell wall and are saprotrophic meaning they absorbe nutrients from dead or decaying matter

What does the plantae kingdom include?

Multicellular eukaryotic organisms with cellulose cell walls and contain chlorophyll so they can performs photosynthesis. They are also autotrophic meaning they product their own food

What does the animalia kingdom include?

Multicellular eukaryotic organisms with no cell walls and are heterotrophic meaning they consume plants and animals