Answer the following question given this paragraph: Describe ways protists are important to humans. Q: All chemical changes involve a transfer of what? Choices: - pressure - fuel - oxygen - energy A:
energy

Answer the following question given this paragraph: Starches are complex carbohydrates that are polymers of glucose. Starches are used by plants to store energy. Consumers get starches by eating plants. They break down the starches to sugar for energy. Q: What complex carbohydrates are the polymers of glucose? Choices: - sugars - fats - fruits - starches A:
starches

Answer the following question given this paragraph: Arteries carry blood away from the heart, while veins return blood to the heart. Q: What carries blood away from the heart? Choices: - veins - pores - capillaries - arteries A:
arteries