How did the amount of oil change from one trophic level to the next?

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Learning Goal: I’m working on a biology discussion question and need an explanation and answer to help me learn.PRE-LAB QUESTIONSExplain how some heterotrophs could be described as both a primary consumer or a secondary consumer.
Where do you think fungi fit into a food chain? Are they autotrophs or heterotrophs? Explain your answer using scientific reasoning and data.
EXPERIMENT 1: ECOLOGICAL INTERACTIONSData TablesTable 2: Volume and Concentration TotalsTrophic LevelCylinderVolume of Oil1st10 mL2nd100 mL Post-Lab Questions1.What does the water in this experiment represent? What does the oil represent?
How did the amount of oil change from one trophic level to the next?
How does the change in the amount of oil relate to biomagnification?
4.Why would this change in amount of an accumulating substance potentially be of concern in the food chain of an ecosystem?
If you would like to read more about issues surrounding bioaccumulation simply search for case studies that address POP (persistent organic pollutants) and biomagnification in ecosystems. EXPERIMENT 2: OIL SPILLS AND AQUATIC ANIMALSData TablesTable 3: Cloth and Feather ObservationsItem TypeInitialWaterOilLiquid Dishwashing DetergentPowdered Laundry DetergentPowdered Dishwashing DetergentChamois ClothFeatherPost-Lab QuestionsIdentify one marine species with an outer layer that is similar to the chamois cloth, and one with an outer layer similar to the feathers.
2.How might aquatic mammals be affected in a natural environment if a coat or outer shell was compromised by pollution? How might bird species be affected?
Identify one additional way that aquatic species may be affected by water pollution (other than via coat or shell contamination).
Aquatic life may be directly affected when oil leaks or spills occur. For example, the Deepwater Horizon oil spill in 2010 (which is considered to be the largest oil spill in petroleum industry history) affected over 8,000 marine species including fish, birds, mammals, and more. Research one species (plant or animal) that was affected by the Deepwater Horizon oil spill and describe how the population was affected, and how well it has recovered since the

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