Question

practice 1
order the following examples from the smallest unit or least complex first to
the most complex last. when you are finished, click submit.

1. cell
2. tissue
3. organ
4. organ system
5. organism

Explanation:

The biological organization hierarchy progresses from the smallest unit (cell) to the most complex (organism). Cells form tissues, tissues form organs, organs form organ systems, and organ systems form an organism.

Answer:

1. Cell, 2. Tissue, 3. Organ, 4. Organ System, 5. Organism