The Organism Page

Create new individual organisms (sexually or asexually).

Actions like bird migration or nocturnal hunting. The Organism

React to external changes in its environment. 2. The Hierarchy of Structure Organisms are organized in a "ladder" of complexity. Create new individual organisms (sexually or asexually)

Groups of organs working together (e.g., the circulatory system). Organism Level: The complete, integrated living thing. 3. Classification (The Domains of Life) moves through consumers (animals)

Energy enters the system via the sun (plants), moves through consumers (animals), and is recycled by decomposers (fungi).

Heterotrophs (must eat other organisms for energy). 4. Survival Mechanisms