AP BIOLOGY

Detailed explanation-1: -Leeuwenhoek is universally acknowledged as the father of microbiology. He discovered both protists and bacteria [1]. More than being the first to see this unimagined world of ‘animalcules’, he was the first even to think of looking-certainly, the first with the power to see.

Detailed explanation-2: -He was the first to see microscopic foraminifera, which he described as “little cockles. . . no bigger than a coarse sand-grain.” He discovered blood cells, and was the first to see living sperm cells of animals. He discovered microscopic animals such as nematodes and rotifers.

Detailed explanation-3: -Anton Van Leeuwenhoek and The Cell Theory He began to analyze human tissue for cells. He was most well known for his discovery of protozoa in 1674. In 1678, Leeuwenhoek discovered bacteria and called them “animalcules” or “little animals".

Detailed explanation-4: -Initially discovered by Robert Hooke in 1665, the cell has a rich and interesting history that has ultimately given way to many of today’s scientific advancements.

Detailed explanation-5: -Antonie van Leeuwenhoek-a cloth merchant by trade-is credited for the discovery of single-celled microorganisms, which he called “wee animalcules” (little animals) (Dobell, 1932).