Select the correct option from the following. Identify the correct option from the given choices.
 
How did Antonie van Leeuwenhoek contribute to the discovery of the microscopic world?
 
1. What type of microscope did Leeuwenhoek build?
2. What name did he give to the tiny living organisms he observed?
3. Which of the following did Leeuwenhoek discover?
4. What did he do with his observations?
5. Why is Leeuwenhoek called the Father of Microbiology?