Grade Range
2nd
Group Size
Whole class
Active Time
1 hour 35 minutes
Total Time
1 hour 35 minutes
Area of Science
Plant Biology
Environmental Science
Key Concepts
Interdependence, pollination, seed dispersal
Learning Objectives
  • Explain the process of pollination and seed dispersal in a plant's reproduction cycle.
  • Model the interdependence between organisms to move pollen or disperse seeds.
  • Discuss the importance of each component in the interdependence web.
Credits
Svenja Lohner, PhD, Science Buddies
Pictures of different animals and plants connected with black lines to show the interdependence between them for seed dispersal and pollination.

Overview

Pollination and seed dispersal are both crucial processes in a plant's reproduction cycle. These processes are helped along by many factors, including different animals. For instance, some animals disperse the plant seeds, while others transfer pollen from one flower to another. In this lesson plan, students will investigate the interdependence between plants and animals for pollination and seed dispersal by creating interdependence webs out of yarn. Based on their created interdependence webs, students will discuss factors that could affect the stability of such a web.

NGSS Alignment

This lesson helps students prepare for these Next Generation Science Standards Performance Expectations:
  • 2-LS2-2. Develop a simple model that mimics the function of an animal in dispersing seeds or pollinating plants.
This lesson focuses on these aspects of NGSS Three Dimensional Learning:

Science & Engineering Practices Disciplinary Core Ideas Crosscutting Concepts
Developing and Using Models.
Develop a simple model based on evidence to represent a proposed object or tool.
LS2.A: Interdependent Relationships in Ecosystems.
Plants depend on animals for pollination or to move their seeds around.
System and System Models.
Systems in the natural and designed world have parts that work together.

Materials


Materials needed for the 'The Role of Interdependence for Pollination and Seed Dispersal' lesson plan.

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Grade Range
2nd
Group Size
Whole class
Active Time
1 hour 35 minutes
Total Time
1 hour 35 minutes
Area of Science
Plant Biology
Environmental Science
Key Concepts
Interdependence, pollination, seed dispersal
Credits
Svenja Lohner, PhD, Science Buddies
Learning Objectives
  • Explain the process of pollination and seed dispersal in a plant's reproduction cycle.
  • Model the interdependence between organisms to move pollen or disperse seeds.
  • Discuss the importance of each component in the interdependence web.
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