Question

Select the largest, most inclusive biological level from the following choices:

A. Organ
B. Cell
C. Molecule
D. Tissue

Answer 1

A. Organ Organs are larger than all of them -Sasha

Answer 2

The largest biological level from the choices given is letter "A. organ". The order of the biological levels of a living organism is: organelle, cell, tissue, organ, organ system, organism, population, community, ecosystem, and biosphere.