MINI-Lesson

Wednesday Part 2 Week 1

Biotic Factors that Affect Ecosystem Stability

• Predator-prey interactions: Are predators necessary for an ecosystem?
• Answer: How the wolves Changed Yellowstone
• What was the video about? (Write 1 statement )
• Finish one of the following:
• This Makes me think about…

OR

• I wonder (if, how)

Task: Food Chain Modeling (flow chart)

Purpose: To demonstrate the complex network and relationships of organisms in an ecosystem.

Directions:

1. You may need to look up/research some of the organisms on the species list (what do they eat, who eats them?)
2. On the backside of the species list, create at least 5 different food chains.