How do changing diets in developed countries affect food resources and their global distribution?
How does the increasing birth rate impact food security in some countries?
What is food security, and what biological factors can threaten it?
How does the loss of biomass at each trophic level affect the number of organisms in a food chain or ecosystem?
How can the efficiency of biomass transfer between trophic levels be calculated, and what factors influence these calculations?
What are the key reasons for biomass loss between trophic levels, such as incomplete absorption, waste production, and respiration?
Why is only about 10% of the biomass transferred from one trophic level to the next?
What is a pyramid of biomass, and how does it visually represent the amount of biomass at each trophic level in an ecosystem?
What are the negative human impacts on biodiversity, and how do they affect ecosystems and the variety of life within them?
How does recycling and reducing landfill waste contribute to preserving ecosystems and biodiversity?
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