Book Creator

Life and Earth Science for 4th Graders

by Allyson Arowood

Pages 4 and 5 of 45

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The Study of Cells
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What are cells? A cell is the basic structural, functional, and biological unit of all living things. It is the smallest unit of life that contains the fundamental molecules of life such as, biomolecules, cytoplasm, and a membrane. In this section of the book, we will be discussing cells, organelles, genetics, and systems.
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Watch this video to get a better understanding of what we will be discussing.
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Cells
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Prokaryotic Cells
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Eukaryotic Cells
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A prokaryotic cell is a single-celled organism that does not have a true nucleus or membrane-bound organelles. Prokaryotic cells are found in the domains of Bacteria and Archaea.
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Eukaryotic cells contain a nucleus and organelles and are enclosed by a plasma membrane. They are found in organisms such as protists, algae, fungi, plants, and animals.
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