3.4.5 - species and taxonomy

Question 1

what are species?

Answer 1

organisms with similar features which can interbreed to produce fertile offspring

Question 2

what does a phylogenetic classification system do?

Answer 2

arrange species into groups based on their evolutionary origins and relationships

Question 3

how do phylogenetic classification systems work?

Answer 3

they use a hierarchy where smaller groups are placed within larger groups with no overlap between groups

Question 4

what is the name of a group in a phylogenetic classification system?

Answer 4

a taxon (plural taxa)

Question 5

what are the taxa within one hierarchy of a phylogenetic classification system?

Answer 5

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

Question 6

how are species universally identified?

Answer 6

by a binomial which contains their genus and species eg. Homo sapiens