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Living Things Are Different From Nonliving Things (Other characteristics…
Living Things Are Different From Nonliving Things
Other characteristics of organisms is that they grow and develop into adult forms.
An organisms body must be organized in a way that enables it to meet its needs.
Characteristics of life are organization, ability to develop and grow, ability to respond to the environment and the ability to reproduce.
All Living Things Are Made of Cells
The cell is the smallest unit of a living thing.
Organisms made up of many cells are called multi-cellular organisms
The organisms are unicellular and usually too small for you to see directly.
The Cell Theory is Important to the Study of Biology
A scientific theory is a widely accepted explanation of things observed in nature.
A theory must be supported by evidence, including experimental evidence and observations.
Theories are important for a number of reasons.
Cells Come From Other Cells
Every living thing is made of one or more cells.
cells carry out the functions needed to support life.
Cells come only from other living things.
The Microscope Led to the Discovery of Cells
Most cells are microscopic, too small to see without the aid of a microscope.
Robert Hooke began using microscopes to look at all sorts of materials.
A microscope is an instrument which makes and objects appear bigger than it is.