7th (7.11A - Dichotomous Keys) Part 2

Which of the following characteristics will most likely be helpful in identifying a butterfly using a dichotomous key?

• Migrates north every spring

• hangs on branches

• flutters wings fast on hot days

• Wings have long extensions

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

• Coleoptera

• Diptera

• Heteroptera

• Lepidoptera

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

Which characteristics are used to identify the American Robin?

• Head color, Beak shape, and Beak Color

• Head color and Beak Color

• Beak Shape and Beak Color

• Beak Color

Tags

NGSS.MS-LS4-2

can move about.........................go to 2

cant move about........................go to 10

how many true choices do you have when deciding on a characteristic ?

• one true choice

• two true choices

can move about.......................go to 2

cant move about....................go to 10

what is the true statement?

• go to 10

• go to 2

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Most foxes of the desert have a reddish brown coat but the arctic fox has a white coat. How has this adaptation allowed the arctic fox to survive over many years?

• it gives it warmth during the summer

• it makes the fox look meaner

• it keeps it warm

• its protects it from prey using camouflage

Tags

NGSS.MS-LS4-4

Flashy tails on many animals is an example of coloration. Why might flashy tailed animals display their colors to another of the same species?

• make friends

• help build a nest

• attract a mate

• scare predators

Tags

NGSS.MS-LS1-4

Charles Darwin noticed that birds of the Galapagos Islands were very similar in size and shape but their beaks were very different. What is the explanation for birds having different beaks?

• gathering food

• building nest

• fighting

• scaring predators

Tags

NGSS.MS-LS1-4

NGSS.MS-LS4-4