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Anton van Leeuwenhoek was born in 1632 in the ________________________.
He was a cloth merchant, and made his first _________________________ to
inspect the cloth. As he looked through this microscope, he noticed moving
objects. He decided the objects were tiny ____________________. He wrote
30 _______________ to the Royal Society of London, describing these
microorganisms. He called them animalcules. We now call them
___________________, protozoa, and rotifers. He hoped that his
__________________ of the animalcules would convince people that the theory
of spontaneous generation was ______________. Spontaneous generation
taught that lower forms of life, such as ___________ and lice came from nonliving matter, such as rotting meat. He showed that all _____________ things
are reproduced from a parent. He also studied the _______________ of
animals and humans, and became the first person to see red blood cells. Blood
contains both red and white blood cells. Leeuwenhoek also studied
__________________ through his microscope, watching the ______________
move through the vessels of the stems and leaves.
wrong
microscope
bacteria
living
animals
plants
blood
worms
Netherlands
discovery
letters
sap