The answer is true. They cannot only replicate themselves within cells, but they cannot outside of a cell.
Eutrophication is the overgrowth of algae in lakes and ponds
that is usually caused by the introduction of different chemicals
into the water from fertilizer run-off. Some ways to combat this
are to increase the flow of moving water, prevent contamination
from fertilizer, and reduce pollution of our lakes and streams.
<span>is unable to stand up or walk, even if assisted</span>
