Question 2 • PA Human Anatomy & Physiology A 2026-2027 SMITH IC
A multicellular organism is made of many cells that can be organized into five levels: cells, tissues, organs, organ systems, and the organism. These levels work together to carry out life functions. A unicellular organism consists of just one cell, while abiotic means nonliving and biotic means living.
AI-written and checked against the verified answer.