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The well-ordered collection

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Learning Objectives

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The procedure

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1) Ask the students to build a dichotomous key that will allow them to classify these four specimens.

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Bombus fervidus

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Bombus fervidus

Musée de la nature et des sciences de Sherbrooke

© 2010, Musée de la nature et des sciences inc. All Rights Reserved.

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Big Poplar Sphinx

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Pachysphinx modesta, Big Poplar Sphinx

Musée de la nature et des sciences de Sherbrooke

© 2010, Musée de la nature et des sciences inc. All Rights Reserved.

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Odontolabis gazella

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Odontolabis gazella

Musée de la nature et des sciences de Sherbrooke

© 2010, Musée de la nature et des sciences inc. All Rights Reserved.

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Cluster Fly

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Pollenia rudis, Cluster Fly

Musée de la nature et des sciences de Sherbrooke

© 2010, Musée de la nature et des sciences inc. All Rights Reserved.

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The procedure (continuation)

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2) Then instruct the students to use this key to identify the order to which these insects belong, so they will be able to complete the following table.

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Key for the activity

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1 Opaque wings (go to 2)
   Translucent wings (go to 3)

2 The wings are supple, covered in small microscopic scales, visible with
   a magnifying glass Lepidoptera
   Hardened wings, forming a carapace Coleoptera

3 A single pair of wings; an insect that resembles a fly Diptera
Two pairs of wings; an insect that resembles a bee Hymenoptera

1 Opaque wings (go to 2)
   Translucent wings (go to 3)

2 The wings are supple, covered in small microscopic scales, visible with
   a magnifying glass Lepidoptera
   Hardened wings, forming a carapace Coleoptera

3 A single pair of wings; an insect that resembles a fly Diptera
Two pairs of wings; an insect that resembles a bee Hymenoptera

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Table

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Table

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Answers

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Hymenoptera: Bombus fervidus
Lepidoptera: Pachysphinx modesta
Coleoptera: Odontolabis gazella
Diptera: Pollenia rudis

Hymenoptera: Bombus fervidus
Lepidoptera: Pachysphinx modesta
Coleoptera: Odontolabis gazella
Diptera: Pollenia rudis

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Learning Objectives

• Use scientific and technological tools, objects and procedures;

• Discover the importance of the choice of classification criteria in collections;

• Explore various types of classification systems for objects in a collection;

• Understand and use an identification key to classify objects.

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