Ecosystem Interactions and Food Webs Practice

Johnson·

Ecosystems

Preview

At a Glance

Grade Level10th Grade

SubjectEcosystems

Original Prompt

One biotic factor that affects consumers in an ocean ecosystem is A. number of autotrophs B. temperature variation C. salt content D. pH of water 2. A food web is represented in the diagram below. Which population in this food web would most likely be negatively affected by an increase in the mouse population? A. snake B. rabbit C. wolf D. hawk 3. Some bloodsucking insects insert their mouthparts directly into a blood vessel and withdraw blood. Other bloodsucking insects have mouthparts that

This teacher guide offers a structured lesson overview focusing on ecosystem interactions, particularly in the context of an environmental crisis involving fish decline in a local lake. The lesson emphasizes independent practice, using materials such as student worksheets and digital mystery files. It also incorporates accommodations for special needs learners, including visual supports and strategic peer partnerships. Key learning targets include distinguishing between biotic and abiotic factors, analyzing food web relationships, and understanding the roles of decomposers. The guided activities require students to categorize ecosystem factors, engage in discussions on food web dynamics, and explore real-world connections to local ecosystems and human impact. The lesson culminates in an exit ticket challenge that encourages critical thinking about ecosystem balance and stewardship.