13. Which of the following shows the correct arrangement of the
levels of biological organization if arranged from smallest to largest
group?
a. tissue, organ, organ system, organism, cell,
community, population, biosphere
b. cell, tissue, organ system, organ, organism,
population, community, biosphere
tissue, cell, organ, organ system, organism,
biosphere, community, population
d. cell, tissue, organ, organ system, organism, population,
community, biosphere​