Grade 7 Chapter 2 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, 2.2 and 2.3 (can be found on blog)

Review crossword puzzles and worksheets 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)
8. How do limiting factors balance ecosystems?