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G6 Ch2 L1 Cell Theory
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What is a cell?
Basic unit/building block of life; smallest part of a living thing that is capable of life.
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How were cells discovered?
Hooke, Leeuwenhoek, microscopes, etc.
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What is the difference between an element and a compound?
element= pure substance, can't be broken down; compound= new substance formed by chemical reaction.
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What is an organ? Give two examples.
A group of two or more types of tissue that work together to perform a specific function,
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What are organ systems? Give an example.
A group of organs working together to perform a specific function.
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What is the difference between unicellular and multicellular organisms?
Uni = 1; multi = many
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Name three of the levels of organization found in most multicellular organisms.
Organ system, organs, tissues, cells, organelles, compounds/molecules, atoms.
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Discuss two plant’s organs. What are they called and what do they do?
Roots, stems, flowers, etc.
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What are the three core principles of cell theory?
(1) all living things are made of one or more cells; (2) cells are the basic unit of living things; and (3) all cells come from existing cells.
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What is tissue?
A group of similar cells that work together to perform a specific function.
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