Biology Chapter One

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chloehillpot
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99528
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Biology Chapter One
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2011-09-02 20:14:19
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Biology Chapter One
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Study Chapter one Lesson One
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  1. A hypothesis is ______.
    a tentative explanation of a natural event
  2. Which statement is false about science?
    The conclusion of an experiment can never change.
  3. A ______ is a conceptual scheme that join together well‐supported and related hyptheses.
    theory principle
  4. When most investigators do controlled studies, what do you call the group that does not receivetreatment
    control
  5. What is usually the last step in the scientific method?
    draw a conclusion on the basis of the experiment
  6. Which of the following has the greatest amount of evidence for being "true"?
    law
  7. A theory that is accepted by many scientists sometimes is called a ______.
    law
  8. The ______ theory enables scientists to understand the history of life, the variety of livingthings, and the development of organisms.
    evolution
  9. Which theory states that organisms contain coded information that dictates their form,function, and behavior?
    Gene Theory
  10. Which theory states that all organisms are composed of cells
    Cell Theory
  11. Which theory states that all living things have a common ancestor and are adapted to aparticular way of life
    Evolution Theory
  12. Which theory states that life comes only from life?
    Biogenesis Theory
  13. Which of the following statements is NOT true about science?
    The results of an experiment do not need to be statistically analyzed.
  14. The general approach scientists employ to gather information is known as the _____.
    scientific method
  15. In which way has science NOT improved our lives?
    increased ethical and moral values
  16. The circulatory system is composed of the heart and the blood vessels, which in turn arecomposed of cells. This is an example of which characteristic of life
    Living things are organized.
  17. The next higher level of biological organization above the cell is the ______.
    tissue
  18. The highest level of biological organization listed here is the ______.
    • atom
    • cell
    • tissues
    • organ
    • Correct answer: organism
  19. Which sequence correctly increases complexity in the level of biological organization?
    atoms, molecules, cells, tissues, organs
  20. A(n) ______ is the lowest level of biological organization to have the characteristics of life.
    cell
  21. The stomach in our body represents which level of biological organization?
    organ
  22. Organs, such as the heart, are composed of ______ which is the next lower level of biologicalorganization
    tissue
  23. Which of the following is NOT a characteristic of life?
    Living things are unorganized
  24. Which of the following is NOT a characteristic of life?
    Living things have an internal environment that stays absolutely constant.
  25. The body temperature of humans fluctuates only slightly during the day. This is an example ofwhich characteristic of life?
    Living things are homeostatic
  26. Plants can capture solar energy and carry on ______, a process that allows them to make theirown food
    photosynthesis
  27. Food provides nutrient molecules, which are used either as building blocks or for ______.
    energy
  28. All systems of the body contribute to homeostasis. The ______ system provides nutrient molecules
    digestive
  29. All systems of the body contribute to homeostasis. The ______ system transports the nutrient molecules about the body
    circulator
  30. All systems of the body contribute to homeostasis. The ______ system rids the blood of metabolic wastes
    excretory
  31. All systems of the body contribute to homeostasis. The ______ systems coordinate the activitiesof the other systems.
    nervous and hormonal
  32. Living things respond to external stimuli. Which of the following is NOT a response to astimulus
    Organs are composed of tissues, and each tissue contains groups of similar cells.
  33. ______ is the capacity to do work
    Energy
  34. When a sharp pin gets stuck in your finger, your arm moves quickly away. This is an example of which characteristic of life?
    Living things respond to stimuli.
  35. Living things cannot maintain their organization or carry on life's activities without an ______.
    outside source of materials and energy.
  36. The ability of living things to produce offspring that resemble themselves is called ______.
    reproduction
  37. All the chemical reactions that occur in a cell are called ______.
    metabolism
  38. A bird like an osprey can catch a fish. The osprey has massive flight muscles, a white breast andbelly to camouflage its presence, and strong feet and claws to hold onto the slippery fish. This is an example of which characteristic of life?
    Living things are adapted to a particular way of life.
  39. Which of the following statements is NOT correct about evolution?
    New variations within certain members of a species allow them to capture fewerresources
  40. An acorn seed becomes a seedling before it is an oak tree. This is an example of which characteristic of life?
    Living things grow and develop
  41. A housefly has offspring that soon replace the parents. This is an example of which characteristicof life?
    Living things reproduce
  42. Modifications that make an organism better suited to its way of life are called ______.
    adaptations
  43. ______ is the process by which characteristics of species change through time.
    Evolution
  44. All the members of one species belong to a(an) ______.
    population
  45. The ______ is any place on the surface of the earth, whether in the atmosphere or down intothe seas, where organisms exist.
    biosphere
  46. The ______ represents all of the populations of organisms in one natural setting plus theirphysical environment.
    ecosystem
  47. Which of the following statements is FALSE?
    Correct answer: As ecosystems are destroyed, the number of species living there will increase.
  48. A(an) ______ is a biologist dedicated to naming, describing, and classifying organisms.
    systematis
  49. What is the correct scientific name for humans?
    Homo sapien
  50. Humans belong to the kingdom ______.
    Animalia
  51. According to the classification system, humans belong in the phylum ______.
    Chordata
  52. According to the classification system, humans belong in the class ______.
    Mammalia
  53. According to the classification system, humans belong in the family ______.
    Hominidae
  54. Protozoans, algae, and water molds belong to the kingdom ______.
    Protista
  55. Molds and mushrooms belong to the kingdom ______.
    Fungi
  56. Mosses and ferns belong to the kingdom ______.
    Plantae
  57. Which of the following systematic sequences is correct starting from the most specific butincluding the fewest in number?
    species, genus, family, order, class
  58. Which of the following statements is FALSE?
    Organisms placed in the same genus are least closely related.
  59. Populations interact with each other by forming _____ in which one population feeds on another.
    food chain
  60. Which of the following is not considered one of the three domains?
    Protista

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