STUDY GUIDE INTERACTIONS AND ECOSYSTEMS QUIZ TOPIC 4 AND 5 TOPIC FOUR What are abiotic and biotic parts of an ecosystem? List one example of each. Abiotic: Biotic: What is a niche? o What are the roles that an organism can have in their niche’? What is a food chain? What is a food web? What are scavengers and decomposers? o What is the difference between them? What a predator/ prey relationship? TOPIC FIVE Carbon Cycle o What are the sources of carbon that are added to the carbon cycle? o How is carbon taken from the carbon cycle? o What form is carbon found in the atmosphere? Water Cycle o What is the water cycle? Draw and explain the different parts of the water cycle (6 parts) What is pollution? What are pollutants? What is pH? What causes Acid Rain? Explain bioaccumulation using a diagram and an explanation.