SAMPLE SNIPPET LESSON PLAN TO:
Symbiosis and Predation
in the World of Insects
From "Microcosmos"
Subject: Science/Biology (Symbiosis & Predation;
Ants, Aphids, & Ladybugs)
Ages: 5+
Length: Snippet: 25 minutes;Lesson: one 45 - 55 minute class period.
Learner Outcomes/Objectives: Students will understand and retain striking images of symbiosis and predation in the world of insects.
Rationale: Symbiosis and predation are important concepts of biology. Seeing them in action will help students understand and remember these concepts.
Description of the Snippet: This snippet contains four examples of symbiosis and predation in the insect world: (1) bees pollinating plants; the stamens of the flowers actually move to deposit pollen onto the bees; (2) a ladybug that is eating aphids is driven away by the ant which tends the aphids; the ant then strokes the aphids and harvests their honeydew; (3) grasshoppers are caught and eaten by a spider; (4) flying insects are caught by carnivorous plants.
"Microcosmos" consists of many extraordinary and beautiful shots of insects. There is almost no narration.
Using the Snippet in Class
Step by Step
1. Tell students that this class will be about symbiosis and predation. For students in the lower grades, define those terms. Tell students in the lower grades or elicit from class discussion the facts that bees pollinate more than flowers and that much of our food depends upon bees pollinating fruit trees, vegetable plants, and beans. Ask students to think about what the world would be like without oranges, apples, tomatoes and other fruits and vegetables.
2. Start playing the film from DVD Scene 1. TWM recommends playing the film to the end of Segment #3 with brief stops for the introductions and closings recommended in this lesson plan or for class discussion. This has the advantage of exposing the class to the film's introduction together with many short segments showing various insects. Playing the movie to the end of Segment #3 takes about 22 minutes. You can also talk over this film; it has very little narration.
Introduction to Segment #1: As the segment begins ask students if they've ever seen a plant move on its own power in response to some stimulus from the environment.
The step by step instructions continue, showing how to use each segment of the snippet to interest and intrigue students while giving them a dramatic example of the important natural processes of symbiosis and predation.
The lesson plan also contains supplemental materials giving descriptions of symbiotic relationships in clownfish with anemones, people with their pets, algae with coral polyps.
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Finding Nemo
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