Grade+7

Science
====[|Matter Cycles] ([|Cards], [|Reference on Misconceptions], [|Ecosystems Soundscapes])====
 * **Strand: Understanding Life Systems (Interactions in the Environment)**
 * 3.1 demonstrate an understanding of an ecosystem as a system of interactions between living organisms and their environment.
 * 3.3 describe the roles and interactions of producers, consumers, and decomposers within an ecosystem.
 * 3.8 describe ways in which human activities and technologies alter balances and interactions in the environment.
 * **Goals**
 * Given an ecosystem, students will be able to identify 1 or 2 effects resulting from one of the following changes being made to an ecosystem:
 * Removing a plant, herbivore, or omnivore.
 * Adding a new plant, herbivore, or omnivore.