Introduction
You are a red fox, a skilled hunter and an important part of your ecosystem. Like all living things, you depend on energy and resources to survive—but you are not alone. Every organism in your environment is connected, and the balance of the ecosystem affects your way of life.
Throughout this WebQuest, you will explore the following essential questions:
- How does energy move through your ecosystem?
- How is matter cycled between organisms and the environment?
- What factors help maintain a stable ecosystem?
- What happens when ecosystems experience change?
- How can mathematical models help us understand and predict changes in ecosystems?
As you investigate these questions, you will discover how energy flows, how organisms interact, and what happens when ecosystems are disrupted. Will your ecosystem stay balanced, or will change force you to adapt?
Task
By the end of this WebQuest, you will be able to:
- Explain how energy moves through an ecosystem using food chains and food webs.
- Describe the cycling of matter between living organisms and the environment.
- Analyze how ecosystems remain stable and what happens when they are disrupted.
- Use mathematical models to support claims about energy flow and population changes.
- Evaluate real-world examples of ecosystem changes and their effects on organisms, including foxes.
Your final task will be to demonstrate your learning through a creative presentation, such as a journal entry from a fox’s perspective, a visual model of your ecosystem, or a scientific report on changes affecting fox populations.
Process
Click the links and read the information about red foxes, habitats, and energy flow. Answer the questions that go along with each link in a separate Google Doc.
Link 1: https://www.nwf.org/Educational-Resources/Wildlife-Guide/Mammals/Red-Fox
- What is the diet of the red fox? Is it a carnivore, herbivore, or omnivore?
- Where are fed foxes primarily located? List specific countries and regions.
3. What are some predators of the red fox?
4. What is the lifespan of the red fox, and how does the red fox give off energy to its ecosystem once it has passed away?
Link 3: https://www.education.vic.gov.au/school/teachers/teachingresources/
5. How does energy move through the woodland food chain? Provide at least 5 other species/organisms in your answer.
6. How is matter cycled between organisms and the woodlands environment?
Link 4: https://wwf.panda.org/discover/knowledge_hub/teacher_resources/webfieldtrips/ecological_balance/
7. List 6 biotic factors that help maintain a stable ecosystem (only 3 of these can be animals).
8. How do abiotic factors such as water and temperature help keep woodland ecosystems balanced?
9. What might occur if the red fox populations were significantly reduced in the woodlands ecosystem?
10. How does habitat destruction, such as deforestation, impact the red fox's ability to find food and shelter, and what are the broader consequences for the woodland ecosystem?
11. In what ways might the expansion of red foxes into new areas, potentially due to climate change, affect native species and the overall health of the woodland ecosystem?
12. How might the population of red foxes in a woodland ecosystem follow an exponential growth model when resources are abundant, and what factors would eventually cause the population to stabilize according to the logistic growth model?
13. What would happen to the red fox population if there were a sudden decrease in their primary food sources, and how might this affect the overall ecosystem, considering the concepts of carrying capacity and limiting factors?
Evaluation
Your performance in this WebQuest will be evaluated based on how well you answer the questions and meet the objectives of the task. The focus will be on your ability to demonstrate an understanding of energy transfer, matter cycling, ecosystem stability, and the impact of disruptions. You will also be assessed on the quality of your final presentation, including how effectively you use evidence, reasoning, and mathematical models.
| Criteria | Excellent (4) | Good (3) | Needs Improvement (2) | Unsatisfactory (1) |
|---|---|---|---|---|
| Understanding of Ecosystem Dynamics | Clearly explains the flow of energy and matter, and the factors that maintain ecosystem stability. | Explains energy and matter flow with some detail, but lacks depth in ecosystem stability factors. | Basic understanding of energy and matter flow, but weak explanation of stability factors. | Limited or incorrect understanding of ecosystem dynamics. |
| Analysis of Disruption Effects | Thoroughly analyzes how disruptions affect the ecosystem, using evidence and reasoning. | Analyzes disruptions with some reasoning, but lacks strong evidence or detail. | Describes disruptions, but with little analysis or evidence. | Provides a minimal or incorrect explanation of disruption effects. |
| Use of Mathematical Models | Effectively uses mathematical models to support claims about energy flow or population changes. | Uses mathematical models with some clarity but lacks full explanation or depth. | Mathematical models are included, but their application is unclear or incomplete. | No mathematical models used or models are applied incorrectly. |
| Creativity and Presentation | Presents findings in a creative, clear, and engaging manner (e.g., journal, report, visual model). | Presentation is clear but lacks creativity or engagement. | Presentation is basic, with little creativity or clarity. | Presentation is incomplete or unclear. |
| Overall Organization and Clarity | Information is very well-organized, clear, and easy to follow. | Organization is good, but some sections may be unclear or lack detail. | Organization is weak, and the presentation lacks clarity. | Presentation is disorganized and difficult to understand. |
Total Points: __/20
Conclusion
Congratulations on completing the Red Fox Ecosystem WebQuest! Through this journey, you have gained a deeper understanding of how energy flows and matter cycles in ecosystems, as well as the complex interactions that maintain balance. You’ve also explored the effects of disruptions on ecosystems and how mathematical models can help predict and explain changes.
As a red fox in your woodland habitat, you learned how different factors, such as food availability and environmental changes, influence your survival and the stability of the ecosystem. Understanding these concepts not only helps you grasp the intricacies of nature but also highlights the importance of preserving ecological balance in the face of challenges like habitat loss, climate change, and species extinction.
Remember, ecosystems are dynamic, and every organism plays a vital role in maintaining their health. By using the tools and knowledge you’ve gained, you are now better equipped to analyze and understand the delicate balance of the world around you.
As you move forward, consider how you can apply these principles to real-world conservation efforts and the ongoing study of ecosystems. Your ability to think critically about these issues will help you become a more informed global citizen and environmental advocate.
Credits
Image Links:
- Red fox in woods: https://www.nyc.gov/site/wildlifenyc/animals/red-foxes.page
- Happy red fox: https://roeselien-raimond.pixels.com/featured/happy-fox-is-happy-roeselien-raimond.html
URL Links:
1. https://www.nwf.org/Educational-Resources/Wildlife-Guide/Mammals/Red-Fox
3. https://www.education.vic.gov.au/school/teachers/teachingresources/
4. https://wwf.panda.org/discover/knowledge_hub/teacher_resources/webfieldtrips/ecological_balance/
Teacher Page
Standards:
B-LS2-4. Use mathematical representations to support claims for the cycling of matter and flow of energy among organisms in an ecosystem.
B-LS2-6. Evaluate claims, evidence, and reasoning that the complex interactions in ecosystems maintain relatively consistent numbers and types of organisms in stable conditions but changing conditions may result in a new ecosystem