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Multicellular organisms have various levels of organization within them as well. These levels increase in complexity, starting with the cell.

Interactive exercise. Assistance may be required.

The graphic organizers that were shown in section one can be used to show the levels of organization in plants and animals. Click on each level of organization in the graphic organizer below to learn more.

Sources for images used in this section, as they appear, top to bottom:

Adapted from: Types of cell, Coriell
Adapted from: Four Types of Tissue, Davison College
Adapted From: Human Organs, Museum of Science and Industry Chicago
Adapted from: Human Organ Systems, Ck12.org
Human, Dreamtime
Plant, Companion plants
Protists, Texas Park and Wildlife