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Cells the Building Blocks of Life - Unicellular and Multicellular Organisms
Transcript of Cells the Building Blocks of Life - Unicellular and Multicellular Organisms
That is why cells are called the building blocks of life 1.
Unicellular Organisms Made up of only one cell
Simple forms of life
They can carry out the basic processes of life
(moving, eating, getting rid of wastes, growing and
reproducing). One type of unicellular organism: Bacteria Another type of unicellular organism: Amoeba -
Amoeba eats by surrounding a food particle and brings the food into the cell.
Amoeba moves by changing its shape. Amoeba Eating Another type of unicellular organism: Euglena
Euglena has a whiplike part that moves it forward.
Euglena uses sunlight to make food. Another type of unicellular organism: Paramecium
- Paramecium has hair life structures that help it move
and take in food.
One of first objects seen with early microscopes
widespread in freshwater, brackish and marine environments, and are often very abundant in stagnant basins and ponds.
reproduce rapidly splitting into
each one is exactly like its parent. 2.
Multicellular Organisms Made up of more than one cell.
Multicellular Organisms are much more complex than unicellular organisms. Nerve Cell Red Blood Cell Muscle Cells EXAMPLES OF DIFFERENT CELLS WITHIN A MULTICELLULAR ORGANISM Cells
the building blocks of life There are two types of organisms What Unicellular organism is both a breakfast food and a common incredient in baked goods? Multicellular organisms are made up
of many different kinds of cells. Each kind of cell has a different shape and structure that helps it do its individual job. In this presentation, you will learn that:
- cells are the building blocks of life
- there are TWO types of living things, called organisms
1. unicellular organisms
2. multicellular organisms
- Each has specific attributes Conclusion
Cells are the building blocks of life.
Living things, called organisms, are divided into two types:
Each type of organism has its own attributes