Domain - Eukarya

                        Kingdom - Animalia

                        Phylum - Chordata

                        Class - Mammalia

                        Order - Rodentia

                        Family – Cricetidae

                        Genus – Lemmus

                        Species – Lemmus lemmus

Why does the Norway lemming belong in these groups?

Eukarya- cells contain a nucleus, membrane bound organells, and a cytoskeleton.

Chordata-presence of a dorsal hollow nerve cord, pharyngeal gill slits, and a post-anal tail.

Mammalia-presence of mammary glands, glands that produce milk for offspring.

Rodentia-presence of teeth specifically for gnawing, same order as the domestic guinea pig!

Cricetidae-includes lemmings, voles, hamsters, and New World rats/mice.

Lemmus-Lemmings

Lemmus lemmus- The Norway lemming