Claim: Streptococcus belongs to an order of lactic acid bacteria and it is in the field of biology.
Evidence: Streptococcus is a genus of coccus -LRB- spherical -RRB- Gram-positive bacteria belonging to the phylum Firmicutes and the order Lactobacillales -LRB- lactic acid bacteria -RRB-.
A genus -LRB- -LSB- ˈdʒiːnəs -RSB- , genera -RRB- is a taxonomic rank used in the biological classification of living and fossil organisms in biology.