Bio. 101

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Shelby21
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Bio. 101
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2013-08-29 23:31:29
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Chap. 1 Quiz
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  1. Knowledge of biological concepts is a vital tool for understanding the challenges that confront modern society. Some of the more important challenges are?
    • a)expanding human pop.
    • b)decreasing biological diversity
    • c)diminishing natural resources
    • d)global climate change
    • e)prevention and cure of diseases
  2. The 3 basic themes of biology are?
    • a)evolution
    • b)information transfer
    • c)energy transfer
  3. The characteristics of life include?
    • a) a precise kind of organization
    • b) growth and development
    • c) self-regulated metabolism
    • d)ability to respond to stimuli
    • e) reproduction
    • f) adaptation to environmental change
  4. Organisms can be? 2
    unicellular and multicellular
  5. The 2 major cell types are?
    prokaryotic and eukaryotic
  6. Living things grow by increasing _______ of cells or both.
    biological growth
  7. ______ is a term that encompasses all the changes that occur during the life of an organism.
    Development
  8. Metabolism can be described as the sum of all the ______ that take place in the organism.
    Chemical activities
  9. _____ is the tendency of organisms to maintain a balanced internal environment.
    Homeostasis
  10. Physical or chemical changes in an internal or external environment that evoke a response from all life forms are called?
    stimuli
  11. We know that organisms come from previously existing organisms as a result of scientists like Francesco Redi in the 17th century and ______ in the 19th century.
    Louis Pasteur
  12. In general, living things produce in one of two ways.
    Asexual and sexual reproduction
  13. Inherited characteristics that enhance an organisms ability to survive in a particular environment
    adaptations
  14. Biologists learn about living things using ______ to study their parts.
    reductionism
  15. _______ also help biologists see what characteristics are new at a higher level of organization.
    emergent properties
  16. The simplest component of life is the?
    atom
  17. All of the ecosystems on Earth are collectively referred to as the?
    biosphere
  18. All of the members of one species that live in the same geographic area make up a _____?
    population
  19. The 2 scientists credited with working out the structure of DNA are:
    James Watson and Francis Crick
  20. ______ are large molecules important in determining the structure and function of cells and tissues.
    proteins
  21. ______ are units of hereditary material.
    genes
  22. All the energy transformations and chemical processes that occur in organisms are referred to as:
    metabolism
  23. ______ is the process by which molecular energy is released to do cellular work.
    cellular respiration
  24. A self-sufficiant ecosystem contains three major catigories of organisms:
    producers, consumers, decomposers
  25. Organisms that can produce their own food from simple raw materials are called?
    producers or autotrophs
  26. Populations change over time via:
    evolution
  27. The science of classifying and naming organisms is
    taxonomy
  28. The simplest category of classification is the
    species
  29. The scientific name (binomial) of an organism consists of the ______ names for that organism?
    genus and species
  30. Families are grouped into?
    orders
  31. The broadest of the taxonomic groups is the
    domain
  32. The 3 domains of life are ____,____, and _____, which includes plants, protists, animals, and fungi.
    Bacteria, Archaea,Eukarya
  33. The _____ have been broken up into 5 supergroups based on molecular analysis
    protists
  34. Adaptations to environmental change occur due to
    evolutionary process
  35. Charles Darwin's famous book, "___________", published in 1859, still has an impact on biological science today.
    On the Orgin of Species by Natural Selection
  36. The source of variation is _____ which occurs in _____.
    mutation and DNA
  37. All the genes in a population make up its
    gene pool
  38. Natural Selection favors organisms with traits that enable them to effectively respond to ____.
    pressures exerted by the environment
  39. The ______ is a system of observation, question, hypothesis, experiment, data, analysis, and revised hypothesis.
    Scientific Method
  40. With _____ reasoning, one draws conclusions from specific observations.
    Inductive
  41. With _____ reasoning, one begins with supplied information or premises and draws conclusions based on those premises.
    deductive
  42. In 1928, bacteriologist _______ discovered the antibiotic, penicillan, but could not grow the antibiotic producing organism.
    Alexander Fleming
  43. Significant discoveries are usually made by those who are in the habit of looking critically at nature and recognizing a ______.
    phenomenon or problem
  44. The characteristics of a good hypothesis include being _____, ______, and _____.
    • a)reasonably consistant with well-established facts
    • b)capable of being tested
    • c)falsifiable
  45. A hypothesis cannot be?
    proven true
  46. ______ are becoming very useful in hypothesis development.
    models
  47. An experimental group differs from a control group only with respect to the ______ being studied
    variable
  48. In a _____, neither the patient nor the physician knows who is getting the experimental drug and who is getting the placebo.
    double-blind study
  49. Sampling errors can lead to inaccurate conclusions because
    not all cases of what is being studied can be observed or tested
  50. _______ are strengthened when other's repeat a scientist's work.
    Conclusions
  51. A _______ is an integrated explanation of a number of hypotheses, each supported by consistent results from many observations or experiments.
    scientific theory
  52. Two examples of hypotheses that cannot be tested by direct experiment include:
    • The Big Bang Theory
    • evolution of complex organisms
  53. A ______ is a set of assumptions or concepts that constitute a way of thinking about reality.
    paradigm
  54. Biologists that integrate data from various levels of complexity with the goal of understanding the big picture are know as:
    systems biologists
  55. Some of the more controversial areas of scientific inquiry with important ethical dimensions include:
    • a)genetic research
    • b)stem cell research
    • c)cloning
    • d)human and animal experimentation
  56. Populations of different species that live in the same geographical area at the same time.
    community
  57. The broadest category of classification used.
    Domain
  58. The science of naming, describing, and classifying organisms.
    Taxonomy
  59. Hairlike structures that project from the surface of some cells and are used by some organisms for locomotion.
    cilia
  60. A physical or chemical change in the internal or external environment of an organism potentially provoking a response.
    stimulus
  61. A group of tissues that work together to carry out specific functions
    organ

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