Grade 7 Chapter 2 Test Study Guide

Key Terms

□   bioinvasion

□   cycle

□   cycling of matter

□   energy pyramid

□   food web

□   introduced species

□   invasive species

□   limiting factors

□   native species

□   primary consumers

□   secondary consumers

□   sustainability

□   tertiary consumers

□   wetlands

Review notes from section 2.1 and 2.2 (can be found on blog)

Review package notes for section 2.3.

Review crossword puzzles for Chapter 2 in package

Review the following concepts:

1. How matter cycles through an ecosystem and list abiotic elements that go through this cycle
2. How much energy is passed along a food chain and why
3. herbivores, carnivores, omnivores, scavengers, detritivores, decomposers, and all other roles in the ecosystem
4. What is sustainability? How can we act in a sustainable way?
5. How ecosystems change naturally over time
6. How animals compete for resources
7. Bioinvasion, introduced species and their effects on ecosystems (examples of these)