Levels of Organization
-Level 2 – Tissues
It is created by joining cells that have similar function or structure.
-Level 3 – Organs
An organ is a group of tissues that perform a specific function or group of functions
-Level 4 - Systems
An organ system is a collection of organs that perform a specific function, like the circulatory system or digestive system.
-Level 5 – Organism
An organism is a being that's able to perform simple acts of survival. We humans are one.