There are valves in the vessels that prevents backflow, just like in the viens. ... the lymph vessels to ensure that the flow of lymph
A fierce predator is removed from the ecosystem.
Hope this helps!
Parasitic infection because a<span> </span>parasitic<span> disease, also known as parasitosis, and an</span>infectious<span> disease caused or transmitted by a</span>parasite<span>. Many </span>parasites<span> do not cause diseases.</span>Parasitic<span> diseases can affect practically all living organisms, including plants and mammals.
The study of </span>parasitic<span> diseases is called parasitology.</span>
This has to do with SURFACE TO VOLUME RATIO. For a typical small cell, its surface area to the volume ratio get smaller as the cell grows. This implies that, if the cell grows beyond a certain limit, then the amount of nutrients that entered the cell will be limited, that is , nutrients will not be able to migrate into the cell as needed. To avoid this, the cell has to divide to reduce its surface to volume ratio.<span />