Microscopic animals are animals (mostly bugs) than cannot be seen with the naked eye and the aid of a Telescope (hence the name microscopic) is needed to be able to see them.
A microscopic organism is a parasetic worm, such as a pinworm.
All animals can be seen without a microscope.
chemistry
a microscope
The microscope enabled scientists to magnify their observations, allowing research and the study of cells, bacteria, animals, etc.
he discovered that all animals have cells
He discovered bacteria with his self designed microscope.
Antonie Van Leewenhoek first observed cells inside living animals with his microscope.
The protozoa are one-celled animals and the smallest of all animals. Most of them can only be seen under a microscope.
Because many have seen them.We can see them through electron microscope.
The microscope wasn't invented yet.
Producers
No. Animals do not have "microscope eyes", they can only see macroscopic objects.