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Dichotomous Key

Authored by Julia Murray

Science

8th Grade

NGSS covered

Used 5+ times

Dichotomous Key
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The first part of a scientific name is an organism's _______________ and the second part is its ________________.

species, genus
phylum, order
class, spices
genus, species

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

1
2
3
4

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

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

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the purpose of a dichotomous key?

to find a common ancestor
to show the evolution of organisms
to show relationships between organisms
to identify organisms

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When using a dichotomous key to identify organisms, what do we look at?

characteristics

weather patterns

environment

diet

Tags

NGSS.MS-LS4-2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

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

Coleoptera
Heteroptera
Diptera
Lepidoptera

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The first part of a scientific name is an organism's _______________ and the second part is its ________________.

species, genus
phylum, order
class, spices
genus, species

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