Dichotomous Key/Kingdoms

Leaf S

• Eastern white pine

• balsam poplar

• sweet gum

• ginko

What type of characteristics are used to make a dichotomous key?

• Characteristics that make an organism different from any other organism. (type of beaks, claws, root systems)

• Characteristics like age of an organism

• Where the organism lives

• How many organisms live in the environment

The scientific name for an organism is made from the:

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

Tool used by a taxonomist to identify an unknown organism is a:

• dichotomous key
• binomial nmenclature
• scientific name
• binomial key

A botanist discovers a new plant in the jungle. Which of the
following observations of the plant’s characteristics would be useful in determining its identity with a dichotomous key?

• It was discovered in the summertime
• It is wet from a recent rain storm.
• Its leaves curl up on the edges.
• It is eaten by native jungle ants.

Why do scientist use domain and kingdoms to classify organisms?

• Scientist around the world can communicate using the domain/kingdom to identify specific organisms

• Its fun to name organisms

• Makes it more confusing for scientists

• Everyone knows Latin

Tags

NGSS.MS-LS4-2

What is the purpose of a dichotomous key?

• to find a common ancestor
• to show the evolution of organisms
• to show relationships between organisms
• to identify organisms

A dichotomous key for insects is given. To what order does an insect with two pairs of scaly wings belong?

• Coleoptera
• Heteroptera
• Diptera
• Lepidoptera

When using a dichotomous key to identify organisms, what do we look at?

• physical features
• weather patterns
• environment
• diet

Tags

NGSS.MS-LS4-2

The 8 levels of classification, most broad to most specific.

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