Question

select the correct answer. what was anton van leeuwenhoeks contribution in the development of cell theory? a. he built the first compound microscope. b. he was the first to observe live cells in a sample of pond water. c. he concluded that cells exist in liquids. d. he stated that all living things are made of cells.

Explanation:

Anton van Leeuwenhoek is known for being the first to observe live cells using a simple microscope he made, specifically observing live cells in a sample of pond - water. The first compound microscope was not built by him. Concluding cells exist in liquids is not his most well - known contribution, and stating all living things are made of cells was not his work.

Answer:

B. He was the first to observe live cells in a sample of pond water.