Year-8 Biology Ecosystems: Food Chains and Webs
In this Year-8 Biology Ecosystems: Food Chains and Webs lesson, students will learn about the difference between food chains and food webs, calculate approximate energy transfer at each step in the food chain and explain why most food chains are short.
The slides include extension questions, and students can choose from a variety of different tasks.
This lesson includes:
- Title slide with learning objectives
- A starter activity
- Group reading (literacy)
- Keywords (vocabulary: food chain, food web, predator, prey and energy transfer)
- Task boxes
- Comprehension questions
- Numeracy task
- Discussion exercise
- Answer slides included for self-assessment
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Next Lesson: Disruption to Food Chains and Webs
In this lesson students will describe the relationship between the populations of producers and consumers. They will discuss the interdependence of organisms in food webs and explain the bioaccumulation of toxins.
