Biology
What fluid-filled sac surrounds the human embryo?
More Questions from Biology
What name is given to the group of animals that a ladybug belongs to?
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Which cell part contains instructions and determines organism characteristics?
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Who devised a simple test to determine the health of newborns?
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What two classification labels are used in the scientific name of an organism?
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What would you call a group of organisms that is close to extinction?
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Which of these African grassland animals shares a food source with the zebra?
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What is made by white blood cells to help fight off infection?
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