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What does “cell” mean?Characteristics of Life: The smallest unit that can carry out all processes of life.
What does “unicellular organism” mean?Characteristics of Life: An organism made of one cell.
What does “multicellular organism” mean?Characteristics of Life: An organism made of many cooperating cells.
What does “cell theory” mean?Characteristics of Life: Living things are made of cells; cells are basic living units; cells come from cells.
What does “energy transformation” mean?Characteristics of Life: Changing energy from one form to another for biological work.
What does “matter exchange” mean?Characteristics of Life: Taking in and releasing materials.
What does “homeostasis” mean?Characteristics of Life: Keeping internal conditions within workable ranges.
What does “feedback” mean?Characteristics of Life: A response that changes a process based on its result.
What does “stimulus” mean?Characteristics of Life: A detectable change that may trigger a response.
What does “reproduction” mean?Characteristics of Life: The process of producing new organisms.
What does “heredity” mean?Characteristics of Life: Passing genetic information between generations.
What does “variation” mean?Characteristics of Life: Differences among individuals in a population.
What does “testable question” mean?Scientific Questions and Investigations: A question answerable with observations or measurements.
What does “hypothesis” mean?Scientific Questions and Investigations: A tentative, testable explanation.
What does “prediction” mean?Scientific Questions and Investigations: A specific expected result under stated conditions.
What does “observation” mean?Scientific Questions and Investigations: Information gathered with senses or measuring tools.
What does “independent variable” mean?Scientific Questions and Investigations: The factor intentionally changed in an experiment.
What does “dependent variable” mean?Scientific Questions and Investigations: The response measured.
What does “controlled variable” mean?Scientific Questions and Investigations: A factor kept as similar as practicable.
What does “comparison group” mean?Scientific Questions and Investigations: A reference group for interpreting a result.
What does “replication” mean?Scientific Questions and Investigations: Repeating an investigation or measurement.
What does “bias” mean?Scientific Questions and Investigations: A systematic influence that can distort a result.
What does “confounding factor” mean?Scientific Questions and Investigations: An additional difference that can affect an outcome.
What does “correlation” mean?Scientific Questions and Investigations: An association that does not by itself prove cause.
What does “qualitative data” mean?Evidence, Data, and Models: Descriptions of qualities or categories.
What does “quantitative data” mean?Evidence, Data, and Models: Numerical counts or measurements.
What does “axis” mean?Evidence, Data, and Models: A labeled scale on a graph.
What does “outlier” mean?Evidence, Data, and Models: A value noticeably different from most others.
What does “claim” mean?Evidence, Data, and Models: A proposed answer or conclusion.
What does “evidence” mean?Evidence, Data, and Models: Relevant observations or measurements.
What does “reasoning” mean?Evidence, Data, and Models: The explanation linking evidence to a claim.
What does “limitation” mean?Evidence, Data, and Models: A reason a conclusion may not apply broadly.
What does “scientific model” mean?Evidence, Data, and Models: A simplified representation used to explain or predict.
What does “mechanism” mean?Evidence, Data, and Models: A process explaining how an outcome occurs.
What does “prediction” mean?Evidence, Data, and Models: A result expected from an explanation or model.
What does “revision” mean?Evidence, Data, and Models: Changing an explanation or model in response to evidence.
What does “micrometer” mean?Scale and Levels of Organization: One millionth of a meter (10⁻⁶ m).
What does “nanometer” mean?Scale and Levels of Organization: One billionth of a meter (10⁻⁹ m).
What does “scale bar” mean?Scale and Levels of Organization: A mark showing an image’s real-world distance.
What does “magnification” mean?Scale and Levels of Organization: How much larger an image appears than its object.
What does “tissue” mean?Scale and Levels of Organization: A group of cells working together in a multicellular organism.
What does “organ” mean?Scale and Levels of Organization: A structure of multiple tissues with a function.
What does “population” mean?Scale and Levels of Organization: Individuals of one species in a defined area.
What does “ecosystem” mean?Scale and Levels of Organization: Organisms and their physical environment interacting.
What does “system” mean?Scale and Levels of Organization: Interacting parts considered together.
What does “boundary” mean?Scale and Levels of Organization: The edge chosen for a system being studied.
What does “input and output” mean?Scale and Levels of Organization: Matter, energy, or information entering and leaving.
What does “structure-function relationship” mean?Scale and Levels of Organization: How a part’s form helps explain its job.