Given a sentence, fill out the missing word with a 'no' or a number (between zero and ten). You should write the numbers with english alphabet, like: four instead of 4.
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Question: Groundhogs usually have ____ separate dens.

Answer: two

Question: Inversions have the classic double loop at meiosis, and have ____ crossovers when heterozygotes.

Answer: no

Question: Most species have ____ arms, but there are sea stars with ten, twenty or even forty arms.

Answer:
five