Exploring Taxonomy and Scientific Naming

The video tutorial by Mrs. Homer covers the basics of classification and taxonomy, explaining how organisms are grouped based on shared qualities. It discusses the historical contributions of Carl Linnaeus and Carl Woese to taxonomy, highlighting the shift from morphology-based classification to DNA-based evolutionary relationships. The modern classification system is detailed, including the eight taxonomic levels and mnemonics for remembering them. The concept of binomial nomenclature is introduced, explaining the rules for scientific naming. Finally, the video explains how to use a dichotomous key for identifying species.

Who is known as the father of taxonomy?

• Charles Darwin

• Carl Linnaeus

• Gregor Mendel

• Carl Woese

What is the main difference between the classification systems of Carl Linnaeus and Carl Woese?

• Linnaeus focused on evolutionary relationships, Woese did not

• Woese focused on physical traits, Linnaeus did not

• Woese used DNA evidence, Linnaeus did not

• Linnaeus used DNA evidence, Woese did not

Which of the following is the broadest taxonomic level?

• Class

• Domain

• Phylum

• Kingdom

What mnemonic can help you remember the order of taxonomic levels?

• Happy Cats Jump Over Lazy Dogs

• Dumb Kings Play Cards On Four Green Stools

• Smart People Read Books

• Big Elephants Can Always Understand Small Elephants

In binomial nomenclature, which part of the scientific name is always capitalized?

• Genus

• Order

• Family

• Species

If a scientific name cannot be italicized, what should be done?

• Bold it

• Underline it

• Capitalize it

• Put it in quotes

How many taxonomic levels do the coyote and the otter share according to the chart?

• Three

• Six

• Four

• Five

What is the scientific name for the American badger?

• Panthera pardus

• Canis latrans

• Lutra lutra

• Taxidea taxus

What is a dichotomous key used for?

• Naming organisms using binomial nomenclature

• Determining evolutionary relationships

• Identifying species through a series of questions

• Classifying organisms into kingdoms

In a dichotomous key, what is the first step in identifying an insect species?

• Examining the wings

• Checking the antenna

• Comparing the legs

• Looking at the abdomen and thorax