Cell Theory - TCI Cells and Genetics Lesson 6

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What is Cell Theory?

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Cell Theory is a fundamental concept in biology that states: 1) All living things are made of one or more cells, 2) The cell is the basic unit of life, and 3) All cells arise from pre-existing cells.

Front

What is a unicellular organism?

Back

A unicellular organism is an organism that consists of a single cell, which performs all the functions necessary for life.

Front

What is a multicellular organism?

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A multicellular organism is an organism that is made up of many cells, which work together to perform various functions.

Front

Give an example of a unicellular organism.

Back

Bacteria are a common example of unicellular organisms.

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Give an example of a multicellular organism.

Back

Humans, plants, and animals are examples of multicellular organisms.

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What is cell specialization?

Back

Cell specialization refers to the process by which cells develop different structures and functions to perform specific tasks within a multicellular organism.

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Why do multicellular organisms have specialized cells?

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Multicellular organisms have specialized cells to perform specific functions efficiently, which helps the organism survive and thrive.

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What is the main difference between unicellular and multicellular organisms?

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The main difference is that unicellular organisms consist of a single cell, while multicellular organisms are made up of many cells that work together.

Front

What do all living things have in common according to Cell Theory?

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According to Cell Theory, all living things are made of one or more cells.

Front

What is the basic unit of life?

Back

The basic unit of life is the cell.