Activity 6.4: Functions of All Decomposers (50 min)

Target Student Performance

Students develop integrated accounts of how all aerobic decomposers grow and function through the processes of digestion, cellular respiration, and biosynthesis.

Resources You Provide

  • computers (1 per pair of students, for option 2 in step 3)
  • blank posters (1 per pair of students or small group, for option 3 in step 3)

Resources Provided

Recurring Resources


Decide how students will construct their explanations (see options in step 2 of the directions). If students will use the worksheet, prepare one copy of 6.4 Explaining Functions that All Decomposers Share Worksheet for each student. If students will create a PowerPoint, check that computers or tablets are working and ready. If students will make a poster, get one blank poster for each pair or small group of students. Decide how you will have students present their explanations (see step 3 of the directions). Prepare a computer and a projector to display the PPT.


1. Use the instructional model to show students where they are in the course of the unit.

Display slide 2 of the 6.4 Functions of All Decomposers PPT.

  • Provide sentence stems for explanations of each process.
Extending the Learning