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Exploration: Energy in an Ecosystem
Directions
You will evaluate some of these activities yourself, and your teacher may evaluate others. Please save this document before beginning the lesson and keep the document open for reference during the lesson. Type your answers directly in this document for all activities.
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Self-Checked Activities
Read the instructions for the following activities and type in your responses. At the end of the lesson, click the link on the Summary screen to open the Student Answer Sheet. Use the answers or sample responses to evaluate your own work.
1. Flow of Energy in an Ecosystem
Complete the flowchart below according to the trophic levels of these organisms: soil bacteria, grasshopper, grass, eagle, parasitic fungus.
Use these guidelines to help you with this activity:
Herbivores (animals that eat plants) are first level of consumers.
Carnivores (animals that eat other animals) are second level of consumers.
Green plants transfer the sun’s energy.
Parasites feed on other living things.
Decomposers break down the dead remains of living things.
Energy is lost during respiration and through the excretion of solid waste and urine.
Type your response here:
Sun > Grass > Grasshopper > Eagle > Bacteria > Parasitic Fungus > Soil
*Could not complete on flow chart*
How did you do? Check a box below. Nailed It! – I included all of the same ideas as the model response on the Student Answer Sheet. Halfway There – I included most of the ideas in the model response on the Student Answer Sheet.
Not Great – I did not include any of the ideas in the model response on the Student Answer Sheet.
2. A Desert Food Web
Research a desert ecosystem using key words such as desert, desert plants, and desert animals. Then, on a separate piece of paper, sketch a food web that might be in a
Directions
You will evaluate some of these activities yourself, and your teacher may evaluate others. Please save this document before beginning the lesson and keep the document open for reference during the lesson. Type your answers directly in this document for all activities.
________________________________________________________________________________
Self-Checked Activities
Read the instructions for the following activities and type in your responses. At the end of the lesson, click the link on the Summary screen to open the Student Answer Sheet. Use the answers or sample responses to evaluate your own work.
1. Flow of Energy in an Ecosystem
Complete the flowchart below according to the trophic levels of these organisms: soil bacteria, grasshopper, grass, eagle, parasitic fungus.
Use these guidelines to help you with this activity:
Herbivores (animals that eat plants) are first level of consumers.
Carnivores (animals that eat other animals) are second level of consumers.
Green plants transfer the sun’s energy.
Parasites feed on other living things.
Decomposers break down the dead remains of living things.
Energy is lost during respiration and through the excretion of solid waste and urine.
Type your response here:
Sun > Grass > Grasshopper > Eagle > Bacteria > Parasitic Fungus > Soil
*Could not complete on flow chart*
How did you do? Check a box below. Nailed It! – I included all of the same ideas as the model response on the Student Answer Sheet. Halfway There – I included most of the ideas in the model response on the Student Answer Sheet.
Not Great – I did not include any of the ideas in the model response on the Student Answer Sheet.
2. A Desert Food Web
Research a desert ecosystem using key words such as desert, desert plants, and desert animals. Then, on a separate piece of paper, sketch a food web that might be in a