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35 Cards in this Set
- Front
- Back
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Biology
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The study of living things
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5 Properties of life
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Cellular Organization, Metabolism, homestasis, growth and reproduction, heredity
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The 5 general themes of Biology
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Evolution, The flow of energy, Cooperation, Structure determines function, homestasis
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6 steps to the scientific method
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Observations, Forming hypotheses, making predictions, testing, establishing controls, drawing conclusions.
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Independent Variable
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a variable that a researcher is able to control
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dependent variable
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not predetermined by the researcher. it is the response that is measured in the experiment.
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Presenting data in graph form: What is displayed across the bottom and what is displayed across the side?
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Independent variable = Bottom
Dependent variable = Side |
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How does science progress?
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By eliminating potential hypotheses that are not consistent with observation.
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Cell theory
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All living organisms are composed of cells
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Gene Theory
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Long molecules in the cell, called DNA, encode instructions for producing cellular components. These intructions, organized into discrete units called genes, determine how an organism looks and functions.
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Genome
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The entire set of DNA instructions that specifies a cell
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6 kingdoms
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Bacteria, Archaea, Protista, Plantae, Fungi, Animalia
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Organization of life
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Atom, Molecules, Macromolecules, Subcellular components/organelles, cells, tissue, organ, organ system, organism, population, community, ecosystem.
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Molecules, Atoms
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Atams are the fundamental elements of matter that cluster to form molecules.
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Organelles
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The tiny compartments within a cell in which Complex biological molecules (macromolecules) are assembled.
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Cells
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The smallest level of organization that can be considered alive
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Tissue
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groups of similar cells that act as a functional unit
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organs
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structures composed of several different tissues grouped together in a structural and functional unit.
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Organ System
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A group of organs that work together within a system. i.e. nervous system
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population
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a group of organisms of the same species living in the same place.
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Species
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All the populations of a particular kind of organism
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Community
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Allt he populations of different species living together in one place.
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Ecosystem
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A biological community and the soil and water within it
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Natural Selection
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Organisms whose characteristics make them better able to survive the challenges of their environment to survive and reproduce and pass those traits to their offspring
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Artificial Selection
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the process of manually breeding a species to exhibit particular features.
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Inductive Reasoning
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Drawing a conclusion drawn from specific observations
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Deductive reasoning
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a conclusion drawn from general principles
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Theory of Evolution
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Attributes the diversity of the living world to natural selection.
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Cellular Organization
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all living organisms are composed of cells.
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Metabolism
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All living organisms use energy
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Homestasis
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all living organisms maintain stable internal conditions
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Growth and Reproduction
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Al living organisms grow and reproduce
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Heredity
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all living organisms possess genetic information that determines how each organism looks and functions.
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Theory of Heredity
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Genes of an organism are passed as discrete units from parent to offspring
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Theory of Evolution
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Modifications in genes that are passed from parent to offspring result in changes in future generations. These changes lead to greater diversity and the forming of new groups of organisms.
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