Unit 9: Taxonomy & Classification

What is the broadest classification category?

• Species

• Kingdom

• Domain

• None of the above

On the cladogram, which organism is the closest relative of the human?

• Frog
• Hare
• Caiman
• Parrot

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

Which is the best prediction regarding the current classification system?

• The system may change as new information and organisms are discovered.

• Scientists will become bored with the current system and develop a new one.

• Over time, organisms will become extinct, so classification will become simpler.

• The system is set in stone and most likely will not change.

Members of this kingdom are multicellular and heterotrophic.

• Plantae
• Protista
• Animalia
• Achaebacteria

Which scientific name is written correctly?

• Okapia Johnstoni
• Carcharodon carcharias
• balaenoptera Musculus
• panthera leo

Organisms in this smallest taxonomic group share many characteristics.

• domain
• kingdom
• species
• class

What is the order of the taxonomic levels from least specific to most specific?

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

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

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

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

(Kingdoms) Organisms in ____________ kingdom are unicellular, heterotrophs or autotrophs, most are aquatic and can be animal-like, plant-like, or fungus-like.

• Fungi

• Animalia

• Protista

• Plantae

(Kingdoms) This kingdom is the largest, organisms are multicellular, heterotrophs, most can move, aquatic or terrestrial, warm or cold blooded.

• Protista

• Animalia

• Plantae

• Fungi