Question

are composed, all the way up through amazingly complex organ systems that maintain the life of us—the organisms. it is important for you levels of biological organization from the simplest (atoms) through the most complex (the organism).

part a

moving from simpler to more complex, which level of organization is immediately before (simpler than) the cell?
organelle
molecule
atom
tissue

Explanation:

En biología, las moléculas forman orgánulos, que forman células. Las moléculas son más simples que las células.

Answer:

B. molecule