Ecosystems: Energy Pyramids

QUICK VIEW

• HW: Create an accurate food web for an area (ocean, grassland, forest, tropical jungle, desert) with at least ten organisms from that ecosystem. Text only is acceptable but illustrations are welcomed.

• CW: Energy Pyramids (Practice Problems) Handout

• DN: How is energy used?

• EQ: Where does energy go as it moves up trophic levels?

Resources

Energy Pyramids (Practice Problems) Handout

 [youtube=://www.youtube.com/watch?v=UXZWG1HI2Y4&w=854&h=480] 

Lesson Outline

5min Students complete the Do Now by answering the question in their notebook.

5min> Introduction to Energy Pyramid lesson.

5min Teacher walks students through first energy pyramid problem (see video above).

5min Class completes the second problem together.

10min Teacher introduces the next two problems, students complete independently.

5min Discussion on meat-eating Gore-Killas vs the vegetarian Gore-Killas populations. Students write paragraph explaining why the populations differ.

5min Students are assigned an ecosystem and create a food web with ten organisms.

5min Collect materials. Clean up. Wrap up.