Cells Objective: Students will be able to describe cell theory how cells are organized in multicellular organisms.

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Presentation transcript:

Cells Objective: Students will be able to describe cell theory how cells are organized in multicellular organisms

An overview of cells

What is a cell? cell – the most basic unit of structure and function in living things. Determine structure of living things Cells are involved in all functions of living things Cells are too small to see

Development of Cell Theory ALL living things made of cells Cells are basic units of structure and function in living things ALL cells are produced from other cells

Development of Cell Theory “all cells come from cells” Cell Theory: 1.All living things made of cells 2.Cells are the basic units of structure and function in living things 3.All cells are produced from other cells

Unicellular & Multicellular Unicellular Multicellular tissue cells organ organ system

organization

Unicellular & Multicellular Unicellular: single celled organisms –Ex. Bacteria Multicellular: many celled organisms –Cells organized into: 1.Tissues – group of similar cells (stomach tissue) 2.Organs – group of tissues (stomach) 3.Organ Systems – group of organs (digestive system)