Dichotomous Keys

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

• physical features
• weather patterns
• environment
• diet

Tags

NGSS.MS-LS4-2

What step do we always start with when using dichotomous keys?

• 1
• 2
• 3
• 4

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

• Coleoptera
• Heteroptera
• Diptera
• Lepidoptera

Using this dichotomous key, identity the name of the circled fish.

• band-tail puffer
• spotted goat fish
• peacock flounder
• trumpet fish

What is the name of bird W?

• Certhidea
• Geospiza
• Camarhynchus
• Platyspiza

Tags

NGSS.MS-LS4-2

Term given to describe the 2 name naming system is:

• dichotmous key
• binomial nomenclature
• 2 scientific names
• binomial key

The first part of a scientific name is an organism's _______________ and the second part is its ________________.

• species, genus
• phylum, order
• class, spices
• genus, species

What is a dichotomous key used for in science?

• To organize biomes
• Classify organisms
• Identify bacteria only
• None of these

What should you do when typing a scientific name?

• Capitalize the first word
• Capitalize the first word and underline the whole thing
• Capitalize the first word and italicize the whole thing
• Nothing

Term given to describe the 2 name naming system is:

• dichotmous key
• binomial nomenclature
• 2 scientific names
• binomial key