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Living Things Are Different From Nonliving Things (Any individual form of…
Living Things Are Different From Nonliving Things
Any individual form of life that uses energy to carry out its activities is an organism.
All organisms get water and other materials from the environment.
Living things have characteristics to grow into adults
All Living Things Are Made of Cells
Organisms made up of many cells are called multicellular.
Unicellular organisms are usually to small for you to see directly
Different parts of the body of a multicellular organism perform different functions.
The Microscope Led to The Discovery of Cells
A microscope is an instrument which makes an object apear bigger than it is
In the 1660's Robert Hooke began using microscopes to look at all sorts of materials
The bark cells Hooke saw were actually dead cells which is why the appeared empty.
Cells Come From Other Cells
Cells carry out the functions needed to support life.
Every living thing is made of one or more cells.
Cells come only from other living cells.
The cell theory is important to the study of biology.
Theories can also lead to research that has some practical benefit for society.
Theories are important for a number of reasons.
A theory must be supported by evidence including experimental evidence and observations.