Question:
Use evidence from the fact that a plant light is used for help plants by mimicking sunlight to answer the following question. "You can use what to fake sunlight for plants?"

Answer:
a flash light

Question:
Use evidence from the fact that if two animals have the same food source then those two animals compete for food to answer the following question. "Which are in opposition for similar chow?"

Answer:
lions and hyenas

Question:
Use evidence from the fact that if an object reflects light toward the eye then that object can be seen to answer the following question. "What does an object need to reflect towards the eye to be seen?"

Answer:
lamp glow