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5 Written questions

5 Matching questions

  1. 4.C.1.
  2. 3.E.1.
  3. 4.A.3.
  4. 4.B.2.
  5. 4.B.5
  1. a Organisms exchange information with each other in response to internal changes and external cues, which may change behavior.
  2. b Interactions between external stimuli and gene expression result in specialization of cells, tissues, and organs.
  3. c Global distribution of ecosystems changes substantially over time.
  4. d Variation in molecular units provides cells with a wider range of functions.
  5. e Interactions between cells affect the fitness of the organism.

5 Multiple choice questions

  1. Organisms use negative feedback mechanisms to maintain their internal environments and respond to external environmental changes.
  2. Errors in normal signal transduction may alter cellular response.
  3. Positive feedback mechanisms amplify responses and processes in biological organisms.
  4. Biological systems possess multiple mechanisms that increase genetic variation.
  5. Environmental factors influence the expression of the genotype in an organism.

5 True/False questions

  1. 3.A.3DNA, and in some cases RNA, is the primary source of heritable information.

          

  2. 2.A.2.Organisms use negative feedback mechanisms to maintain their internal environments and respond to external environmental changes.

          

  3. 4.A.2.Organisms capture, use, and store energy in biological processes such as growth, reproduction and maintaining homeostatic processes.

          

  4. 2.A.3.Organisms must exchange matter with the environment to grow, reproduce, and maintain organization.

          

  5. 2.E.2.Organisms capture, use, and store energy in biological processes such as growth, reproduction and maintaining homeostatic processes.