Name the type of microorganism which is described in the following passage: They are very small but they are not
cells. They can only reproduce inside the cells of other organisms.

Name the type of microorganism which is described in the following passage: They are very small but they are not  cells. They can only reproduce inside the cells of other organisms.

Viruses only reproduce inside cell and are very small also can not be seen with a naked eyes unless with a microscope

Explanation:

he forelimbs below belong to four species that descended in a direct line from the ancestral mammal shown above. of the four descendants shown, which species most likely appeared earliest in evolutionary history?