AKS 12: Classification

Taxonomy

• Science of classification of organisms

• Study of animal behavior

• Analysis of genetic material

• Research on ecological systems

Species

• Basic unit of biological classification

• A type of habitat

• A group of ecosystems

• A classification of rocks

Archaebacteria

• Ancient bacteria, distinct from true bacteria

• Modern bacteria found in extreme environments

• Bacteria that are harmful to humans

• Bacteria that can photosynthesize

Genus

• Taxonomic rank below family, above species

• Taxonomic rank above family, below order

• Taxonomic rank below kingdom, above family

• Taxonomic rank above species, below class

Virus

• Infectious agent, requires host to replicate

• A type of bacteria that causes disease

• A non-infectious agent that can replicate independently

• A cellular organism that can survive without a host

Domain

• Highest taxonomic rank, above kingdom

• Classification of organisms based on their habitat

• A group of similar species

• The study of living organisms

Family

• Taxonomic rank below order, above genus

• Taxonomic rank above family, below species

• Taxonomic rank below class, above order

• Taxonomic rank above genus, below species

Bacteria

• Single-celled microorganisms, prokaryotic

• Multicellular organisms, eukaryotic

• Viruses that infect bacteria

• Fungi that decompose organic matter

Class

• Taxonomic rank below phylum, above order

• Taxonomic rank above family, below genus

• Taxonomic rank below kingdom, above phylum

• Taxonomic rank above order, below species

Classification

• Organizing living things into groups

• Sorting objects by color

• Grouping animals by habitat

• Arranging plants by height