This video shows several ways plants depend on animals and the environment to spread their seeds.
Seed Dispersal (PDF) Lesson Plan
1. How are seeds spread by plants?
2. Do you know other ways plants spread seeds?
3. What allows the bur chervil seeds to be sticky?
4. What allows the maple seeds to fly in the wind?
5. What part do people play in spreading seeds?
4-LS1-1 From Molecules to Organisms: Structures and Processes
Students who demonstrate understanding can: Construct an argument that plants and animals have internal and external structures that function to support survival, growth, behavior, and reproduction.
Disciplinary Core Ideas LS1.A: Structure and Function
Plants and animals have both internal and external structures that serve various functions in growth, survival, behavior, and reproduction.
Crosscutting Concepts: Systems and System Models
A system can be described in terms of its components and their interactions
Science and Engineering Practices: Engaging in Argument from Evidence
Engaging in argument from evidence in 3-5 builds on K-2 experiences and progresses to critiquing the scientific explanations or solutions proposed by peers by citing relevant evidence about the natural and designed world(s). Construct an argument with evidence, data, and/or a model.