Answers by BarneyUyv133

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What mammalian structure allows the exchange of gases, nutrients, and other substances between the fetus and mother?

answered Jan 7 in Science

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What is the standard unit for mass?

answered Jan 7 in Science

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Sometimes two or more distinct phenotypes can each have their advantages and be selected for by natural selection; this is known as what?

answered Dec 31, 2024 in Science

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Roots, stems and leaves are organs commonly found in what?

answered Dec 31, 2024 in Science

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Plants, fungi, bacteria and archaea cells all have what feature that keeps them rigid that animal cells do not have?

answered Dec 28, 2024 in Science

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Making associations between experiences is often a part of what activity?

answered Dec 27, 2024 in Science

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Rain, snow, sleet, and hail are all examples of what?

answered Dec 27, 2024 in Science

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