7.1

What is a dichotomous key used for in science?

• To organize biomes

• Classify organisms

• Identify bacteria only

• None of these

• 
• 
• 
• 

Tags

NGSS.MS-LS4-2

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

An illustration and a dichotomous key are given. What is the correct classification for this organism?

• Class Insecta

• Order Amblygygi

• Order Araneae

• Order Scorpiones

Tags

NGSS.MS-LS4-2

List the steps of the scientific method

d

e

f

c

b

a

Draw conclusions

Form a hypothesis

Ask a question

Analyze results

Conduct experiment

Communicate results

Tags

NGSS.MS-ETS1-4

NGSS.MS-LS1-5

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 giraffe has a long neck in order to better reach leaves to eat. This is an example of _____.

• an adaptation

• environment

• response

• stimulus

Tags

NGSS.MS-LS4-4

Which feature helps an animal hide from other animals?

• looking like a dangerous animal

• being the same color as the place it lives (camoflauge)

• having sharp claws or a strong shel

• having only a few young and caring for them

Which of the following is an inherited trait?

• swimming

• eye color

• skateboarding

• callused fingers

Tags

NGSS.MS-LS3-2

NGSS.MS-LS4-4

Predict which moth would increase in population

• light 

• dark

Tags

NGSS.MS-LS2-4

NGSS.MS-LS4-4