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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.
An organism that cannot make its own food is called a heterotroph.
Any omnivore, humans for example.
The invention of the microscope was important in the study of cells because only the microscope can see very small organism.
they cannot be manufactured by the organism
noEvery organism with a nucleus can undergo mitosis. Prokariyotes cannot undergo mitosis
A heterotroph is an organism that cannot make its own food. Animals are heterotrophs.
Insects and other animals. Insects can be like Spiders, ants and termites. Animals have many varieties that I cannot name them.
There are plenty of animals smaller than fish. There are even organisms that are so small you cannot see them without a microscope.
Light microscope cannot be used. An electron microscope houl b used
Animals that cannot make their own food are called consumers.
An organism cannot be both an animal and a fungi, it must be one or the other. Examples of fungi are mushrooms and molds.