Lesson 13

How does an ecosystem change when the plants change?

Lesson Objectives...

Use a model to make predictions and test ideas about how disruptions, or changes, to one part of the system affect populations throughout the system.
Construct an argument supported by empirical evidence that releasing the tamarisk beetle (change) affects the willow flycatcher population when there are fewer nesting tree types available.

Lesson 13 - Science Notebook - Ecosystem Dynamics Unit

7.5 Lesson 13 - Slides

Slide Presentation for Lesson 13...

This is the slide presentation used by your teachers when navigating through Lesson 13.

Rainforest

System

Model

Oil Palm Farm

System Model

There are more populations and more connections in the rainforest system compared to the oil palm system.
Any change to the ecosystem, or disruption, will affect some populations. Some disruptions affect many populations.
If an ecosystem has many connections between populations, the ecosystem has a better chance of being OK when a change happens.
A disruption in a monocrop system will impact all the populations in the system.

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