Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
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Question: Spring tides are created when the sun and moon's tides match.

Answer: Which type of tides are created when the sun and moon's tides match?


Question: Invertebrates (and higher animals) can also be placed in one of two groups based on how they develop as embryos.

Answer: Invertebrates (and higher animals) can also be placed in one of two groups based on how they develop as what?


Question: Oxygen is transferred through capillaries.

Answer:
Which blood vessels is oxygen transferred through?