Objective Given information about the development of cell theory, summarize the contributions of scientists and/or state the cell theory and characteristics.

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Students Will: summarize the contributions scientists have made toward the cell theory state the cell theory.

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Presentation transcript:

Objective Given information about the development of cell theory, summarize the contributions of scientists and/or state the cell theory and characteristics of living things.

Early Scientists

Anton van Leeuwenhoek First compound light microscope

Robert Hooke Coined the term “cell”

Matthias Schlieden All plants are made of cells

Theodor Schwann All animals are made of cells

Rudolf Virchow Cells can only arise from pre-existing cells

Cell Theory All living things are made up of cells. The cell is the basic unit of life. Cells arise from pre-existing cells.

Why we cannot see cells ? We cannot see small organisms like bacteria without microscope. Because they are made up usually one cell, which is very small and cannot be seen with the naked eye. Tip of your pen can hold thousands of cells.

Germ Theory of Disease Microscopic organisms cause diseases. Pasteur

Why do we care today?

Warm-up What are 3 things that you know about cells? What are 3 things that you want to learn about cells?

Characteristics of Life Observing Living Things

Growing Plants

Growing Toy Alligator Video

Growing Volcanoes Video

Growing Mold

Which things are living? Plant Toy Alligator Volcano Mold List the things that make each thing living or non-living (will help you in your project)

Write three living things and three non-living things in your notes.

Mold Solving a Labyrinth

Five Characteristics of Life Living Things Response to surroundings/ Adapt to their environment Needs energy Growth and Development Reproduction Get rid of waste that builds up in its body.

Important points Another name for living things is organisms. All organisms are made up one or more cells. A cell is the smallest part of a living thing. Single celled organisms are called unicellular. Organisms made up of many cells are called multicellular.