Biology Part 1

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bdrake1108
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95041
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Biology Part 1
Updated:
2011-07-24 21:30:16
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Biology Cell
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Biology Chapters 1-7
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  1. BIOLOGY
    scientific study of life
  2. ORGANISM
    living things
  3. CELL
    smallest, most basic unit of life
  4. UNICELLULAR
    only a single cell
  5. MULTICELLULAR
    composed of many types of cells
  6. TISSUES
    group of similar cells
  7. ORGAN
    combination of two or more different tissues performing a common function
  8. ORGAN SYSTEM
    group of related organs working together
  9. ENERGY
    capacity to do work
  10. METABOLISM
    all the chemical reactions that occur in a cell
  11. PHOTOSYNTHESIS
    process that transforms solar energy into chemical energy
  12. HOMEOSTASIS
    maintenance of internal conditions
  13. REPRODUCE
    make another organism like itself
  14. GENES
    unit of heredity existing as alleles on the chromosome
  15. ADAPTATIONS
    modifications that make organisms suited to their way of life
  16. SPECIES
    group of inter-breeding animals
  17. NATURAL SELECTION
    selection of organisms most fit to reproduce
  18. EVOLUTION
    descent with modification
  19. BIOSPHERE
    zone of air, land and water at the surface of the earth where living organisms are found
  20. POPULATION
    all members of a species with a particular area
  21. COMMUNITY
    populations with an area interact with each other
  22. ECOSYSTEM
    all populations in an area interact with physical environment
  23. TAXONOMY
    discipline of identifying and classifying organisms according to certain rules
  24. BINOMIAL NAME
    two-part scientific name
  25. BIODIVERSITY
    includes total number of species and the variablitiy of organisms genes and ecosystems
  26. EXTINCTION
    death of a species or larger taxonomic group
  27. INDUCTIVE REASONING
    use creative thinking to combine isolated facts into a cohesive whole
  28. HYPOTHESIS
    possible explanation for a natural event
  29. EXPERIMENTAL DESIGN
    manner in which a scientist intends to conduct an experiment
  30. EXPERIMENTAL VARIABLE
    during an experiment, condition that is deliberately changed
  31. CONTROL GROUP
    test group not exposed to experimental variable
  32. MODEL
    representation of an actual object
  33. DATA
    results of an experiment
  34. CONCLUSION
    statement about whether or not results support a hypothesis
  35. SCIENTIFIC THEORIES
    accepted explanations for how the world works
  36. PRINCIPLE
    term used for theories that are generally accepted by an overwhelming number of scientists
  37. PROTONS
    positively charged particles
  38. NEUTRONS
    uncharged particles
  39. ELECTRONS
    very light negatively charged particles
  40. ISOTOPES
    atoms that vary in the number of neutrons they contain
  41. MATTER
    anything that takes up space and has mass
  42. ELEMENT
    substance that can not be broken down into another substance by ordinary chemical means
  43. ATOMIC SYMBOL
    one or two letterss that represents an elements name
  44. ATOM
    smallest particle of an element that displays properties of that element
  45. NUCLEUS
    center of an atom
  46. MASS NUMBER
    sum of the number of protons and neutrons
  47. ATOMIC NUMBER
    number of protons in an atom
  48. OCTET RULE
    atoms (other than hydrogen) tend to form bonds until it has 8 electrons in outer shell
  49. VALENCE SHELL
    outer shell of an atom
  50. MOLECULE
    group of atoms bonded together
  51. COMPOUND
    molecule containing atoms of more than one element
  52. IONS
    charged atoms
  53. IONIC BOND
    ionic compounds held together by an attraction between negative and positive charged ions
  54. COVALENT BOND
    two atoms share elections in order to have a complete outer shell
  55. REACTANTS
    molecules that participate in a reaction
  56. PRODUCTS
    molecules formed by reaction
  57. ELECTRONEGATIVITY
    affinity for electrons in covalent bond
  58. POLAR
    unequal sharing of electrons
  59. HYDROGEN BOND
    attraction between positive hydrogen atoms in one molecule and negative oxygen atoms in another molecule

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