Classification

The 8 levels of classification, most broad to most specific.

• Domain, Genus, Family, Order, Class, Phylum, Kingdom, Species
• Domain, Species, Kingdom, Genus, Phylum, Family, Class, Order
• Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
• Domain, Kingdom, Species, Phylum, Family, Order, Class, Genus

Why do scientists classify living things?

• It helps scientists trap species to study
• It is easier to study organisms when grouped 
• It is a good way to keep organisms calm
• It is helpful when dissecting an organism

An early classification system had two groups: Plants and Animals. What is wrong with that system?

• It is too specific
• It is too narrow minded
• It is too broad
• It is too fancy 

What statement would NOT be good for a dichotomous key?

• The organism has 1 dorsal fin
• The organism is ugly
• The organism has leaves in groups of three
• The organism has 6 legs

Which kingdom do humans belong to?

• Plantae
• Fungi
• Animalia
• Protista

Who first proposed binomial nomenclature as a way of classifying organisms?

• Carolus Linnaeus
• Carl's Jr.
• Charles Darwin
• Henry Groseclose

What is the most specific level of classification?

• Family
• Domain
• Species
• Carolus Linnaeus

A dichotomous key for trees is provided. Hikers found a tree that has large brown cones and single sharp needles. What species of tree have the hikers found?

• Juniper
• Pine
• Spruce
• Fir

A dichotomous key for insects is given. To what order does an insect with two pairs of scaly wings belong?

• Coleoptera
• Heteroptera
• Diptera
• Lepidoptera

A student discovers an arachnid with a segmented abdomen, long legs, and a tail with no stinger. The student uses the dichotomous key below to identify it. Which arachnid has the student found?

• Whip Scorpion
• Wind Scorpion
• Daddy long legs
• Scorpion