Honors Biology S1 Final Exam 2023

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What is natural selection?

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Natural selection is the process by which organisms that are better adapted to their environment tend to survive and produce more offspring. It acts on heritable traits, leading to evolutionary changes over time.

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What is a control group in an experiment?

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A control group is a group in an experiment that does not receive the treatment or variable being tested. It serves as a baseline to compare the effects of the independent variable.

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What is a dependent variable?

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A dependent variable is the variable that is measured in an experiment. It is affected by changes in the independent variable.

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What type of consumer are giraffes?

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Giraffes are herbivores, meaning they primarily eat plants.

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What is an independent variable?

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An independent variable is the variable that is changed or controlled in an experiment to test its effects on the dependent variable.

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Define heritable traits.

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Heritable traits are characteristics that can be passed from parents to offspring through genes.

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What is the scientific method?

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The scientific method is a systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge. It typically involves observation, hypothesis formation, experimentation, and conclusion.

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What is the difference between qualitative and quantitative data?

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Qualitative data describes characteristics or qualities (e.g., color, texture), while quantitative data involves numerical measurements (e.g., height, weight).

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What is the role of a hypothesis in an experiment?

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A hypothesis is a testable prediction about the relationship between variables in an experiment. It guides the research and experimentation process.

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What is biodiversity?

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Biodiversity refers to the variety of life in a particular habitat or ecosystem, including the diversity of species, genetic variation, and ecosystem diversity.