Exercise
Plant Density and Nutrient Cycling
In this hands-on exercise, students will explore the relationship between plant density and nutrient cycling by designing their own mini ecosystems, monitoring plant growth, and analyzing how varying plant populations influence soil nutrient levels over time. This engaging activity encourages critical thinking and fosters a deeper understanding of ecological principles.
Questions
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MultiChoice
Decomposer activity breaking down leaves into soil nutrients is a:
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MultiChoice
Soil minerals like nitrates and phosphates are classified as:
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MultiChoice
How does the presence of mycorrhizal fungi in soil affect plant carrying capacity?
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MultiChoice
What happens when plant density in a meadow becomes very high?
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MultiChoice
How do biotic decomposers influence abiotic soil conditions?
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MultiChoice
Which limiting factor for crop yield is abiotic?
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MultiChoice
If a farmer plants crops too densely without adding fertilizer, what is the effect on yield carrying capacity?
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MultiChoice
Nitrogen-fixing bacteria living in legume root nodules are:
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MultiChoice
Why do nitrogen-fixing bacteria increase carrying capacity for surrounding plants?
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MultiChoice
High plant density leading to yellow leaves is primarily caused by:
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MultiChoice
Which statement correctly describes nutrient cycling in an ecosystem?
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MultiChoice
What is the role of earthworms (biotic) in setting soil carrying capacity?