Presentation on theme: "Science Chapter 5 Test Review. The process by which plants make food, using energy from sunlight. A. consumer B. food chain C. Ecosystem D. Decomposer."— Presentation transcript:
What is the source of energy for producers? A. the sun, because producers need light to make food. B. the earth, because the soil provides warmth and nutrients. C. wind, because producers need wind to scatter their seeds. D. fresh water, because producers need water to make food
A. the sun, because producers need light to make food.
What kind of animal comes last in every food chain? A. carnivore B. decomposer C. herbivore D. producer
Which process is NOT part of the nitrogen cycle. A. bacteria that live on some plant roots fix nitrogen gas B. plants release nitrogen compounds during transpiration. C. Bacteria break down animal wastes and dead organisms. D. lightning produces nitrogen compounds that dissolve in rain.
B. plants release nitrogen compounds during transpiration.
Which substance enables a plant to use the sun’s energy to make food? A. chlorophyll B. oxygen C. sugar D. water