Biology
Classification of animals and plants is called
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Two or more populations living together form:
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Approximately, how many times each day do our heart valves open and close normally?
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All of the following foods contain carbohydrates except?
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___________ are needed as a source of energy for the vital activities of the body?
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Antennae of insect is__________________?
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Which one of the following wavelengths of light is most effective in photosynthesis?
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How many noses does an ant have?
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Proteins are made from amino acids by the process of ______________?
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