Use of Dichotomous Keys in Classification (Biology Lab)

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Biology Lab: Using Dichotomous Keys in Classification and Taxonomy

Suitable for Biology or Life Science Students in Grades 7 -12.

Purpose:

• To teach students how to use a dichotomous classification key.
• To review and reinforce the basic structural characteristics used in classification.
• To encourage good observation skills, problem solving and critical thinking.

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This product is sold in a large, bundled unit: Classification and Taxonomy Complete Unit Plan Bundle
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Students will move and rotate through various stations set up in the lab or classroom. Each station will have a picture of an animal in the animal kingdom. The students will have a few minutes to look at the picture, observe the characteristics of the animal and determine its classification within the animal kingdom.

Students will choose between three simple classification keys: Dichotomous Key to the Classes of the subphylum Vertebrata, Dichotomous Key to the Phyla of Invertebrates, or Dichotomous Key to Selected Classes of the Phylum Arthropoda. Students will use the appropriate classification key and record their answers in a data table.

What is Included in This Product?
• 4-page student handout
• 4-Page Teacher Guide
• 27 Full-color, high-quality photographs

This activity is appropriate for middle school grades as well as high school general science and biology classes. This is one of my favorite labs that I do with my Biology I students. They love looking at the pictures of all the different animals and learning how to classify them.

Your download will include a lab that is ready to be copied and passed out to your students. It will include Title, Purpose, Procedure, 3 Dichotomous Keys, Data Tables, Follow Up Question, and Teaching Tips. You can choose to have your students write their own lab report or they can use the included Student Data Pages.

Answers and Teacher Preparation Notes are included.

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Total Pages
35
Answer Key
Included
Teaching Duration
90 Minutes

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Use of Dichotomous Keys in Classification (Biology Lab)
Use of Dichotomous Keys in Classification (Biology Lab)
Use of Dichotomous Keys in Classification (Biology Lab)
Use of Dichotomous Keys in Classification (Biology Lab)