Given a scientific passage and an answer, generate a question for the given answer.

Q: Passage: Some resources can't be renewed. At least, they can't be renewed fast enough to keep up with use. Fossil fuels are an example. It takes millions of years for them to form. We are using them up much more quickly. Elements that are used to produce nuclear power are also non-renewable resources. Uranium, for example, which is rare. Sooner or later, it will run out. Answer: nuclear

A: Uranium is an example of a non-renewable resource used to produce what type of power?
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Q: Passage: Wings of bats and birds serve the same function. Look closely at the bones inside the wings. The differences show they developed from different ancestors. Answer: bones inside wings

A: Wings of bats and birds serve the same function. which body part should you study to understand ancestral differences?
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Q: Passage: In addition to having a plasma membrane, cytoplasm, a nucleus and ribosomes, eukaryotic cells also contain membrane-bound organelles . Each organelle in a eukaryote has a distinct function. Because of their complex level of organization, eukaryotic cells can carry out many more functions than prokaryotic cells. The main differences between prokaryotic and eukaryotic cells are shown in Figure below and listed in Table below . Keep in mind that some eukaryotic cells may have characteristics or features that other eukaryotic cells lack, such as the cell wall. Answer: eukaryotic cells

A:
Which type of cell can carry out more functions, eukaryotic cells or prokaryotic cells?
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