Question 81
In natural selection, which factor directly leads to the evolution of new species?Variation and evolutionVariation and evolutionhard
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Question 82
Which organelle is primarily responsible for producing ATP in a eukaryotic cell?Cell structure and ultrastructureCell structure and ultrastructureeasy
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Question 83
Which phase of mitosis is characterized by the alignment of chromosomes at the cell equator?Division of cellsDivision of cellsmedium
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Question 84
Which type of cell specialization is found in root hair cells?Cell specializationCell specializationmedium
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Question 85
Which of the following correctly represents the levels of biological organization from simplest to most complex?Levels of organizationLevels of organizationeasy
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Question 86
What is the main purpose of the light-dependent reactions in photosynthesis?Photosynthesis and respirationPhotosynthesis and respirationmedium
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Question 87
Which of the following best describes autotrophic nutrition?NutritionNutritioneasy
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Question 88
Which organ in the human excretory system is primarily responsible for filtering blood?Excretion and osmoregulationExcretion and osmoregulationmedium
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Question 89
In a population, natural selection leads to:Adaptation and natural selectionAdaptation and natural selectionhard
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Question 90
What is the main function of the xylem tissue in plants?Cell activities and transportCell activities and transporteasy
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