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Your body has different kinds of cells. Though they might look different under a microscope, most cells have chemical and structural features in common. In humans there are about 200 different types of cells and within this cells there are about 20 different types of structures or organelles.
The organism (Living thing), utilizes energy, can detect changes in the environment it is in, and can rearrange and synthesize chemical compounds.
Some things to remember, Living organisms need to be able to reproduce, obtain energy, usually by eating food in order to work. They need the ability to maintain structure, a body. They need to be able to react to a change, whether it be external or internal. The organism must be able to dispose of waste. Needs the ability to grow and develop. Must be able to move. and finally death. <span />
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HMMM DID ANYONE JOIN ON URS?
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Agriculture and domestication probably started in the Fertile Crescent (the Nile Valley, The Levant and Mesopotamia). ... People probably started agriculture slowly by planting a few crops, but still gathered many foods from the wild. People may have started farming because the weather and soil began to change.
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