Dichotomous Keys Smiley

Hikers found a tree that has large brown cones and single sharp needles. What species of tree have the hikers found?

• Juniper

• Fir

• Pine

• Spruce

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 to rest

• Flutters wings faster on hot days

• Hind wings have tail extensions

To what order does an insect with two pair of scaly wings belong?

• Coleoptera

• Diptera

• Heteroptera

• Lepidoptera

A student discovers an arachnid with a segmented abdomen, long legs, and a tail with no stinger. The student uses the dichotomous key to identify it. What arachnid has the student found?

• Daddy Long Legs

• Scorpion

• Wind scorpion

• Whip scorpion

What is the correct classification for this organism?

• Class Insecta

• Order Amblygygi

• Order Araneae

• Order Scorpiones

Which of the following is an accurate observation of the structures of a fiddler crab? Fiddler crabs have --

• five pairs of walking legs on each side

• an enlarged propodus on both front legs

• a pair of eyes on stalks at the top of the body

• two pairs of chelipeds for a total of four

Tags

NGSS.MS-LS4-2

Complete the following analogy:

________: Cyanocitta cristata as blue bird: Sialis sialis

• Swallow

• Blue jay

• Cardinal

• Parakeet

Tags

NGSS.MS-LS4-2

What is binomial nomenclature?

• A group of of different organisms that share similar characteristics

• The first word of an organism's scientific name

• The second word of an organism's scientific name

• A scientific identification scheme that includes two-part naming of a particular species

According to the context of the passage, biodiversity refers to __________

• the naming of species

• variety of species

• binomial nomenclature

• taxonomy

Tags

NGSS.MS-LS2-5

In the diagram shown, which of the classification schemes for fruit is a dichotomous key?

• Scheme (1) is a dichotomous key.

• Scheme (2) is a dichotomous key.

• Both are dichotomous keys.

• Neither are dichotomous keys.