Dichotomous Key practice

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

To what order does a two pairs of wings, rigid and leathery and mouth for sucking belong to?

• Diptera

• Lepidoptera

• Heteroptera

• Coleoptera

Tags

NGSS.MS-LS4-2

Which shark is the picture of?

• Cow Shark

• Great White Shark

• Hammerhead Shark

• Saw Shark

What species of tree is the fruit from?

• Fraxinus americana

• Franinux negundo

• Acer platanoides

• Acer negundo

Use the dichotomous key to identify this white wildflower

• Starflower

• Chickweed

• Common Strawberry

• Bowman's root

What is bird Y?

• Certhidea

• Geospiza

• Camarthyncus

• Platyspiza

Tags

NGSS.MS-LS4-2

What is insect B?

• Bee

• Ladybug

• Firefly

• Dragonfly

Tags

NGSS.MS-LS4-2

What is B?

• Bivalve

• Gastropoda

• Annelida

• Teuthida

Tags

NGSS.MS-LS4-2

I have cell walls
I am an autotroph
I am multicellular
What am I?

• Plant
• Animal
• Eubacteria
• Unicorn

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-6

I have no cell walls
I am eukaryotic
I reproduce sexually
I am multicellular
What kingdom do I belong to?

• Plantae
• Animalia
• Protista
• Fungi

Tags

NGSS.MS-LS4-2

NGSS.MS-LS3-2