Atom
Molecule
macromolecule
Cell
Tissue
Organ
Organ System
Organism
Population
community
ecosystem
biosphere
Exchanging oxygen and carbondioxide between air and lungs because it just involves breathing system but everything else involves hormones.........
HOPE IT HELPS !!!
Answer:
b.severity of flooding
Explanation:
Why?because if it had a big river it can cause a flooding.
Answer:
encoding genetic information
