AP BIOLOGY

Detailed explanation-1: -Cell was first discovered by Robert Hooke. However, Anton van Leeuwenhoek was the first person to observe living cells under a microscope.

Detailed explanation-2: -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-3: -Anton Van Leeuwenhoek first discovered free-living algae Spirogyra cells in water in the pond in 1674 with the improved microscope. The living cells were first discovered by Antony Van Leeuwenhoek. He observed living cells and called them ‘animalcules’. Some small ‘animalcules’ are now called bacteria.

Detailed explanation-4: -Anton Van Leeuwenhoek was the first person to observe living cells. In 1675, he saw a single celled organism in a drop of pond water. These living things were microscopic and could not be seen without a microscope.

Detailed explanation-5: -Leeuwenhoek looked at animal and plant tissues, at mineral crystals and at fossils. 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.