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The type of fossil where the name literally means "turning to stone".
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As a review, define the terms autotroph and heterotroph. keep in mind that plants have mitochondria and chloroplasts and do both cellular respiration and photosynthesis!
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True or false: when a cell differentiates, it becomes a stem cell.
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Order the terms from simplest to most complex paried based, dna molecule, chromosomes, gene, cell, arm, person
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Trong trường hợp cơ thể dị hợp tử về 2 cặp gen lai với cơ thể có tính trạng lặn tương ứng (trội hoàn...
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