Classification of Organisms

If a group of organisms is found in the same kingdom, they must be found in the same domain as well. Just as if they are found in the same order, they are found in the same class too. So, if you are studying the kingdom Plantae, then all the organisms would be found in which of the following domains?

• Protista

• Fungi

• Eukarya

• Archaea

Hamish writes down some sentences to summarize the goal of classification. Which of Hamish's sentences best describes classification?

• a. Classification organizes organisms based on their characteristics.

• b. Classification organizes organism families by age and generation.

• c. Classification organizes organisms based on their species names.

• d. Classification organizes organisms by color and appearance.

The science of classifying and naming organisms based on their different characteristics is called ________.

• taxonomy
• species

• homeostasis

• genus

Why is it important to classify living organisms?

• the DNA of living organisms may be more easily analyzed

• organisms may survive longer if they are classified

• scientists may study and discuss the organisms' characteristics more easily

• classifying is needed before scientists can make observations

How did Linnaeus improve the classification of organisms?

• a. He created a way of naming organisms based on genus and species.

• b. He began grouping animals based on the places they live.

• c. He suggested a third domain to classify new types of organisms.

• d. He introduced a new kingdom to include different kinds of bacteria.

What is one reason scientists have developed a system to classify organisms?

• a. Classification allows for organisms to interbreed and change.

• b. A system was needed to better track genetic changes in an organism.

• c. Classification allows for better identification of new organisms.

• d. A system was needed to see microscopic organisms with more detail.

A student drew this diagram of Woese's modern system of classification. As you can see it is organized from largest amount of organisms to the least amount of organisms (most specific). What is the error in this diagram?

• The top level is missing.

• The class and order levels are switched.

• the bottom level is missing

• the kingdom and family levels are switched

Julio is studying the bald eagle, which has a binomial name of Haliaeetus leucocephalus. Using the modern system of classification, which statements can Julio make about the eagles?

• The genus is leucocephalus The species is Haliaeetus

• The genus is kingdom The species is animals

• The genus is Haliaeetus The species is leucocephalus

• The genus is domain The species is eagle

Why are emperor penguins considered a species?

• They all look alike.

• They can mate and produce offspring that can mate.

• they can mate and produce offspring that cannot mate

• they all walk in a similar manner

Tags

NGSS.MS-LS3-2

Name the 4 kingdoms that fall under the description of being a Eukaryote.

• archaea, animal, protist, plant

• bacteria, animal, plant, protist

• bacteria, fungi, plant, protist

• animal, fungi, plant, protist