IGCSE Classification Review

The scientific name for an organism is made from the:

• class and family name
• genus and species name
• domain and kingdom name
• kingdom and phylum name

Which kingdom contains members who are prokaryotic?

• Archaebacteria and Eubacteria
• Archaebacteria and Protista
• Eubacteria and Animalia
• Eubacteria  and Fungi

Cells that have a true nucleus are called....

• eukaryotes
• prokaryotes
• unicellular
• multicellular

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

An illustration and a dichotomous key are given. What is the correct classification for this organism?

• Class Insecta
• Order Amblygygi
• Order Araneae
• Order Scorpiones

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

What are the three domains?

• Archaea, Bacteria, and Eubacteria
• Archaea, Protists, and Eubacteria
• Archaea, Bacteria, and Eukarya
• Archaea, Fungi, Animalia

What trait separates sharks from ray-finned fish?

• Vertebrae
• Bony skeleton
• Four limbs
• None

Which organism is most related to species E?

• D
• I
• G
• B

According to the data, the unknown bacterial species is most closely related to

• Species I
• Species II
• Species III
• Species IV