Classification

Which classification category contains the greatest number of different types of organisms?

• Kingdom

• Domain

• Genus

• Species

Two organisms would be most closely related if both have the same classification in which of the following groups?

• Kingdom

• Phylum

• Class

• Species

An organism that can make its own food may be classified into one of several kingdoms, depending on other characteristics. Based on this information, in which of the following kingdoms would this organism NOT be classified?

• Archaea

• Fungi

• Plant

• Protista

. Mushrooms, bread molds, and yeasts are classified in the fungi kingdom. Specific characteristics are used to classify these organisms. Why are these organisms in the fungi kingdom and not in the animal kingdom?

• They are parasites that feed off a host organism.

• They contain only one cell.

• They absorb nutrients directly from the decayed material.

• They are prokaryotes.

A scientist recently discovered a brand new organism. The organism is multicellular, is eukaryotic, and is a heterotroph. Which kingdom may this organism belong to?

• Kingdom Archaebacteria

• Kingdom Animalia

• Kingdom Plantae

• Kingdom Eubacteria

Male wood ducks mate only with female wood ducks. They produce male and female wood duck offspring that can mate only with other wood ducks. These facts indicate that wood ducks:

• Are inbred.

• Do not mutate.

• Are a species.

• Lack variability.

The table below contains information for five animals.

Which of the following are most closely related?

• Aardwolf and Grey Wolf

• Aardwolf and Lion

• Grey Wolf and Coyote

• Grey Wolf and Lion

 Which animal is the least related to the others?

• Aardwolf

• Grey Wolf

• Lion

• Blue Whale

How does binomial nomenclature help scientists?

• It represents an organism’s common name.

• It can mean any organisms in a kingdom.

• An organism can have only one scientific name, which makes it easy to identify.

• Scientists refer to a whole kingdom when using a scientific name.

The absence of a distinct nucleus and most other cellular organelles is characteristic of cells in which of the following groups?

• Domain Archaea only

• Domain Bacteria only

• Domain Eukarya only

• Domains Archaea and Bacteria