| Making a slide Plant cells can be seen using a light microscope. You should be able to describe how to prepare a microscope slide of stained onion cells. Here is a typical method:
The iodine solution stains starch in the cells blue-black, making the cell features easier to see. | |
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The 7 characteristics of living thingsMovement
All living things move in some way. This may be obvious, such as animals that are able to walk, or less obvious, such as plants that have parts that move to track the movement of the sun. Respiration Respiration is a chemical reaction that happens within cells to release energy from food. Sensitivity The ability to detect changes in the surrounding environment. Growth All living things grow. Reproduction The ability to reproduce and pass genetic information onto their offspring. Excretion Getting rid of waste. Nutrition The intake and use of nutrients. This occurs in very different ways in different kinds of living things. |
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May 2014
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