Frederic griffith discovered transformation in his experiments on mice and  pneumococcus  bacteria. he injected the mice with combinations of harmless, r-strain bacteria and disease-causing s-strain bacteria. which combination of bacteria killed the mice and showed that transformation occurred?

a.

heat-killed r-strain and live s-strain

b.

heat-killed s-strain and live r-strain

c.

heat-killed bacteria of both strains

d.

live bacteria of both strains

b - the respond is innate and varies over time.

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b. climate change will cause an increase in biodiversity of all ecosystems.

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the  different  of  these  two  are  that  they  differently  handle  their  team.

an  expressive  leader  focuses  on  the  task  at  hand  and  make  sures  that  their  goal  is  achieved.  they  accurately  finish  the  task.  an  instrumental  leader  on  the  other  hand  works  on  the  unity  of  the  group,  they  care  more  about  their  employees.  all  the  while  creating  a  good  environment.