| A | B |
|---|
| order | group of related families |
| phylum | group of related classes |
| primitive characters | features present in a common ancestor and all members of a group |
| protein sequencing | process to order the amino acids in a protein |
| reference collections | collections of plants or animals held in a museum |
| scats | animal faeces |
| species | group of organisms capable of reproducing to produce fertile offspring |
| specific name | second part of the scientific name |
| sulfur-oxidising bacteria | bacteria that gain their energy from chemical reactions involving sulfur |
| taxon | any taxonomic group |
| taxonomists | biologist who specialise in the classification of living things |
| taxonomy | describes, names and classifies organisms |
| thermophilic | organisms that live in habitats with high temperatures |
| systematics | study to identify relationships between organisms and make inferences about evolutionary history |
