Ellen says that since polar bears live by eating other animals, they do not rely on sunlight for their energy to survive. What would you say to Ellen to explain to her that she is wrong?
Question
Ellen says that since polar bears live by eating other animals, they do not rely on sunlight for their energy to survive. What would you say to Ellen to explain to her that she is wrong?
Solution
Sure, I would explain to Ellen that while it's true that polar bears are carnivores and get their energy from eating other animals, those animals in turn get their energy from plants. Plants are primary producers in the food chain, meaning they get their energy directly from the sun through a process called photosynthesis.
So, even though polar bears do not directly rely on sunlight for their energy, they are part of a food chain that begins with the sun's energy. Therefore, indirectly, polar bears do rely on sunlight for their survival.
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