Holt McDougal Biology Ch 1 – Flashcards
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Adaptation
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Inherited trait selected over time for organisms to live in their environment.
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Biodiversity
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Variety of life in an area.
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Biology
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The science that studies living organisms.
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Biosphere
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The regions of the surface and atmosphere of the Earth (or other planet) where living organisms exist.
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Biotechnology
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Use and application of living things and biological processes.
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Cell
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Basic unit of life.
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Constant
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Condition that is controlled so it doesn't change during an experiment.
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Data
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Observations and measurements taken during experiment
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Dependent variable
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Experimental data collected through observation and measurement.
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DNA
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Molecule that stores genetic info.
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Ecosystem
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Collection of organisms and non living things.
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Evolution
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Change in species over time.
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Experiment
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Process that tests a hypothesis.
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Gene
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Specific region of DNA that codes for a particular protein.
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Genomics
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Study and comparison of a genome in a certain species.
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Homeostasis
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Regulation and maintenance of constant internal conditions in an organism.
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Hypothesis
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Proposed explanation or answer to a scientific explanation.
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Independent variable
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Condition or factor that is manipulated by a scientist during and experiment.
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Metabolism
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Chemical process that synthesize or break down materials in an organism.
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Microscope
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Tool that provides an enlarged image of an object.
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Molecular genetics
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Study of DNA structure and function.
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Observation
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Using the senses to study the world.
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Organism
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Any individual living thing.
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Species
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Group of organisms that are similar.
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System
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Changing, organized group of related part that form a whole.
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Theory
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Proposed explanations for variety of observations and data results.
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Transgenic
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Organism whose genome has been altered to contain one or more genes from another species.
