Sir John A. Macdonald was very important to all fellow Canadians. He is also a Canadian politician, a lawyer, and a world leader. He did a lot of wonderful things for us about why Canada is a good country to live in. When he was 15, he travelled to Toronto to gain a law degree to support his family. He is also controlling for protecting most of the territories that Canada controls. Also, he is expanding the railway. He has worked to make the entry of "Prince Edward Island" safe for us. Also, he has made Canada very big for us to live in. So, that's why this man is important for us.
So, the cell theory states that living things consist of cells, that a cell is the basic structural and function the unit of life. And they are all cells come from pre-existing cells. So, scientist have been study living things for over 400 years. Later, the development of the microscope allows scientist to see cells for the first time because, it was hard to see. So, they can develop the cell theory by basic characteristics, of living things. You have to learn cells from other living things because, you have to learn what is the cell is look like, of its size or complexity. And it reminds us of studying of how living things work.
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