Question

Pick the correct order from basic to higher level:

• A. Cells $\to$ tissues $\to$ organ $\to$ organ system $\to$ organism
• B. Cell $\to$ organ $\to$ tissue $\to$ organism $\to$ organ system.
• C. Tissue $\to$ organism $\to$ cell $\to$ organ system $\to$ organ
• D. Organism $\to$ Cell $\to$ organ system $\to$ tissue $\to$ organ.

Answer 1

The correct option is A

Cells $\to$ tissues $\to$ organ $\to$ organ system $\to$ organism

Cells are the smallest unit of life. A group of special cells form a tissue. Tissues make up an organ and similar organs make up an organ system. Different organ systems together make up a living being/organism.