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How many producers do you have?
How many producers do you have?
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How many consumers do you have?
How many consumers do you have?
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Justify why you chose A or B as the correct model.
Justify why you chose A or B as the correct model.
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How many producers do you have?
How many consumers do you have?
Justify why you chose A or B as the correct model.
What is your ecological force?
Place the organisms from your original food chain on the pyramid.
Using the rule of 10% in energy transfer, determine how much energy would be available for a primary consumer if the producer level has 3,500,000 kilocalories of energy/area.
Using the rule of 10% in energy transfer, determine how much energy would be available for a secondary consumer if the producer level has 3,500,000 kilocalories of energy/area.
Which correctly shows the feeding relationship and the flow of energy in an ecosystem.
Select 4 cards to create a food chain, starting with a producer. Write your food chain below and label the trophic level of each organism in your food chain as: producer, primary consumer, secondary consumer, tertiary consumer.
Describe the ecosystem impacts noted on the card
Predict how these impacts would affect tertiary consumers.
Predict how these impacts would affect secondary consumers.
Predict how these impacts would affect primary consumers.
Predict how these impacts would affect producers.
Not all disturbances have negative consequences for all trophic levels. In one or two sentences, describe a possible benefit that one trophic level in your food chain may gain from the disturbance you selected
Using the rule of 10% in energy transfer, determine how much energy would be available for a tertiary consumer if the producer level has 3,500,000 kilocalories of energy/area.
In one or two sentences, describe how the available energy may affect the population sizes of organisms at different trophic levels.
Starting with your original food chain, add another plant and four more animal cards to construct a food web that shows how energy flows from producers through primary consumers, secondary consumers, tertiary consumers, and possibly a quaternary consumer. When making your food web, you can have more than one arrow leading to and from each organism. Draw your version of your food web below.
Now choose and read a different disturbance card and predict its impact on your food web. What is your ecological force?
Describe the ecosystem impacts noted on the card
Predict how these impacts would affect tertiary consumer.
Predict how these impacts would affect secondary consumer.
Predict how these impacts would affect primary consumer.
Predict how these impacts would affect producer
Describe whether some trophic levels benefit from the disturbance while others do not. If the disturbance was caused by humans, was it negative or positive for each trophic level in the food chain?
State one thing the food chain model is useful for illustration or predicting.
One feature that the food chain model lacks or one thing that could lead to a misconception
State one thing the energy pyramid model is useful for illustration or predicting.
One feature that the energy pyramid model lacks or one thing that could lead to a misconception
State one thing the food web model is useful for illustration or predicting.
One feature that the energy pyramid model lacks or one thing that could lead to a misconception
Select the model that you think is most effective in representing relationship among organisms in the ecosystem and justify your choice in two or three sentences.