How Do Scientists Classify Living Organisms?

Which of the following identifies the levels of classification in the correct order?

• domain, kingdom, phylum, class, order, family, genus, species

• genus, species, domain, kingdom, phylum, class, order, family

• domain, kingdom, genus, species, phylum, class, order, family

• genus, species, phylum, class, order, family, domain, kingdom

A branching diagram uses shared characteristics to classify organisms. On a branching diagram that compares the major kingdoms of the Domain Eukarya, what label might appear to differentiate animals form organisms in the other kingdoms?

• multicellular, move independently

• single-celled, make own food

• multicellular, make own food

• release digestive juices into surroundings

A domain is the broadest level of taxonomic classification. Which of the following is a characteristic of Domain Archaea?

• multicellular

• undergo photosynthesis

• membrane-bound organelles

• able to tolerate extreme conditions

What is taxonomy?

• the scientific study of how living things are classified
• the name of Linneaus' classification system
• the process used by geologists to classify rocks
• the process of observing an organism's behavior

Scientists use seven major classification levels to group and name organisms. Which level is the broadest (most general) classification level listed below?

• species
• kingdom
• family
• class

What is binomial nomenclature?

• classifying organisms into seven levels
• grouping animals based off of how they move
• a naming system in which each organism is given a two-part name
• the process of picking which kingdom an animal belongs to

An organism's scientific name consists of 

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

A cat's scientific is Felix domesticus. Which genus does it belong to?

• cat
• binomial nomenclature
• Felix
• domesticus

Why do scientists classify living things?

• to help keep information about organisms
• to make it easy to find information about an unknown species
• to communicate clearly with other scientists about organisms
• all of the above

Which domain is capable of living in extreme environments like hot springs, geysers, or very salty waters?

• Bacteria
• Archaea
• Eukarya

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NGSS.MS-LS1-5

NGSS.MS-LS4-4