Cell Specialization

Cells in multicellualr organisms that perform particular functions within the organisms; when an organism has different types of cells or cells take on different roles.

Cells, tissues, organs, & organ systems.

The levels of organization in a multicellular organism are...

tissue

A group of similar cells that perform a particular function.

Organ

When 2 or more groups of tissues

work together.

organ system

A group of organs that work together to perform a specific function(s).

Connective,

Nervous,

Muscular, &

Epithelial

The 4 categories of tissue found in multicellular organisms.

Colonial

organisms

When organisms of the same type live attached or close together, but have few specialized structures.