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What are we made of? |
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We all are made up of cells,millions,and millions of cells.Here you will learn about them,with the help of some links.Of course,you will have to tell us what you learned,so there are a few questions that you will have to answer: 1)What is a cell? 2)What is the difference between a eukaryotic cell and a procaryotic one? 3)What are the main differences between animal cells and plant cells? 4)What are cellsī organelles for? 5)Find the definition of the following words and write them:cell wall,nucleus,cytoplasm,cell membrane. 6)When have the first cells been made?How were them? |