Podcast
Questions and Answers
What is the main purpose of a food web in an ecosystem?
What is the main purpose of a food web in an ecosystem?
- To display the reproductive behavior of organisms
- To illustrate the population growth in the ecosystem
- To represent all of the food chains within the ecosystem (correct)
- To show the physical characteristics of organisms
How does energy flow through an ecosystem according to the text?
How does energy flow through an ecosystem according to the text?
- In a one-way flow without any interactions
- In a linear manner from producers to quaternary consumers (correct)
- Energy can flow between organisms in different food chains
- Energy is evenly distributed among all trophic levels
Why is energy flow within a food web described as interconnected?
Why is energy flow within a food web described as interconnected?
- Because energy flow never involves any losses
- Due to the complex feeding relationships between organisms (correct)
- Because the energy conversion is always 1:1
- Because energy flows only in one direction within a food web
What rule of thumb describes the energy transfer between trophic levels?
What rule of thumb describes the energy transfer between trophic levels?
If a grasshopper has 200 kilojoules of energy and is eaten by a robin, how much energy would be transferred to the robin based on the 10% rule?
If a grasshopper has 200 kilojoules of energy and is eaten by a robin, how much energy would be transferred to the robin based on the 10% rule?
Why is only 10% of the energy transferred between trophic levels?
Why is only 10% of the energy transferred between trophic levels?
What happens to the remaining energy when 10% is transferred between trophic levels?
What happens to the remaining energy when 10% is transferred between trophic levels?
How does a food web differ from a food chain?
How does a food web differ from a food chain?
Why is it important to understand food webs in an ecosystem?
Why is it important to understand food webs in an ecosystem?
What do food webs represent in an ecosystem?
What do food webs represent in an ecosystem?
How is energy transferred between organisms in a food web?
How is energy transferred between organisms in a food web?
What is the primary reason for the 10% energy transfer rule between trophic levels?
What is the primary reason for the 10% energy transfer rule between trophic levels?
Why is the energy flow within a food web described as complex?
Why is the energy flow within a food web described as complex?
If a rabbit consumes 400 kilojoules of energy from vegetation, how much energy would be transferred to a wolf that eats the rabbit, following the 10% rule?
If a rabbit consumes 400 kilojoules of energy from vegetation, how much energy would be transferred to a wolf that eats the rabbit, following the 10% rule?
What happens to the remaining 90% of energy that is not transferred to the next trophic level?
What happens to the remaining 90% of energy that is not transferred to the next trophic level?
How does a food web differ from a food chain?
How does a food web differ from a food chain?
What is the significance of understanding energy flow within an ecosystem using food webs?
What is the significance of understanding energy flow within an ecosystem using food webs?
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