What theory supports states all living things are made of one or more cells? The cell is the basic unit of life in which the activities of life occur. All cells come from cells that already exist.
cell theory
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15
What part of the cell captures energy from sunlight and uses it to convert carbon dioxide and water into food?
chloroplast
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What different types of tissues working together form a structure?
organ
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15
What did Robert Hooke use to observe a cell?
microscope
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What part of the cell is a gelantinlike substance that contains many chemical that the cell needs?
cytoplasm
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What group of organs that work together to do a certain job?
organ system
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What scientist discovered the cell theory?
Robert Hooke
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What part of the cell converts food energy into a form that the cell can use?
mitochondrion
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What part of the cell helps control what enters and leaves the cell?
cell membrane
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What are groups of similar cells that all do the same sort of work?
tissues
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What process does plant, algae, and many types of bacteria make food through?
photosynthesis
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What part of the cell stores food, water, minerals, and wastes?
vacuole
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15
What part of the cell controls most of the cells activities?