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Leaves Dichotomous Keys

Authored by Charles Martinez

Biology

9th - 12th Grade

NGSS covered

Leaves Dichotomous Keys
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10 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Simple leaves have a single leaf on a petiole, or stem, while compound leaves have more than one leaflet on a petiole. This unknown leaf can be identified using the dichotomous key. Which tree does the unknown leaf come from?

Ungnadia speciosa

Sophora secundiflora

Salix nigra

Quercus laceyi

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

The classifications of four trees are shown in the table.

Which two trees are the most closely related?

Taiwan beech and Taiwan catkin yew

Taiwan catkin yew and lodgepole pine

Lodgepole pine and Japanese maple

Japanese maple and Taiwan beech

Tags

NGSS.MS-LS4-2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The relationships among different orders of millipedes are shown in the cladogram. Based on this cladogram, which statement best describes relationships among millipede orders?

Stemmiulida is more closely related to Merocheta than Penicillata is to Merocheta.

Spirostreptida is more closely related to Glomerida than Sphaerotheriida is to Glomerida.

Polyzoniida is more closely related to Glomeridesmida than Sphaerotheriida is to Glomeridesmida.

Merocheta is more closely related to Glomeridesmida than Glomerida is to Glomeridesmida.

Tags

NGSS.MS-LS4-2

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Simple leaves have a single leaf on a petiole, or stem, while compound leaves have more than one leaflet on a petiole. This unknown leaf can be identified using the dichotomous key. Which tree does the unknown leaf come from?

Ungnadia speciosa

Sophora secundiflora

Salix nigra

Quercus laceyi

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

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

physical features
weather patterns
environment
diet

Tags

NGSS.MS-LS4-2

6.

MULTIPLE CHOICE QUESTION

45 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

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is a dichotomous key used for in science?

To organize biomes
Classify organisms
Identify bacteria only
None of these

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