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Unicellular and Multicellular Organisms
Transcript of Unicellular and Multicellular Organisms
2. Simple forms of life
3. They can carry out the basic processes of life
(moving, eating, getting rid of wastes, growing and
reproducing). One type of unicellular organism: Bacteria - Bacteria takes in food. 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 Amoeba Moving 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.
- Paramecium is large enough to see with out a microscope,
but it'll look like a speck. Single celled organisms remove waste by
moving them outside their cell.
They reproduce by splitting into 2 cells,
each one is exactly like its parent. Multicellular Organisms 1. Made up of more than one cell.
2. Multicellular Organisms are much more complex than single-celled organisms. 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. Nerve Cell Red Blood Cell Muscle Cells EXAMPLES OF DIFFERENT CELLS WITHIN A MULTICELLULAR ORGANISM