Dichotomous key quiz

A student discovers an arachnid with a segmented abdomen, long legs, and a tail with no stinger.

The student uses the dichotomous key below to identify it.

1. a) Abdomen segmented.............go to 2

b) Abdomen not segmented ......go to 4

2. a) Abdomen with tail....................go to 3

b) Abdomen without tail...............go to 5

3. a) Tail with stinger..........................Scorpion

b) Tail without stinger.....................Whip scorpion

4. a) Legs longer than body.............Daddy Long Legs

b) Legs not longer than body……….Wind scorpion

5. a) Covered with spines .......................Mite

b) Few spines.....................................Tick

• Whip Scorpion

• Daddy Long Legs

• Mite

• Tick

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

• It migrates north in the summer

• It has long tail

• It likes only certain plants

• Its wings beat very fast in hot weather

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

• Coleoptera
• Heteroptera
• Diptera
• Lepidoptera

A dichotomous key for trees is provided. Hikers found a tree that has large brown cones and single sharp needles. What species of tree have the hikers found?

• Juniper
• Pine
• Spruce
• Fir

A table of arachnid and insect characteristics is shown. Which characteristic could be used to distinguish between
arachnids and insects?

• Jointed legs
• Body segments
• Presence of eyes
• Presence of antennae

Tags

NGSS.MS-LS4-2

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

• 1
• 2
• 3
• 4

Who organized living things by creating binomial nomenclature?

• Carolus Linnaeus
• Robert Hooke
• Anton van Leeuwenhoek
• James Watson

What are the 8 levels of classification of living things from most general to most specific?

• domain, kingdom, phylum, class, order, family, genus, species
• domain, kingdom, phylum, class, order, family, genius, species
• domain, kingdom, phamily, class, order, family, genus, species
• domain, king, phillip, class, order, family, genus, species

The scientific name for water bear is Hypsibius dujardini.  What is its genus?

• Hypsibius 
• dujardini
• water 
• tardigrade

How do scientists organize living things?

• by looks
• by shared characteristics
• by size
• by differences

Tags

NGSS.MS-LS4-2