If they live in a river, they would most likely need fins (to swim) and gills (to breathe under water)
Hope this helps!
The nucleus is in the middle of a cell
and it controls the different part of the cell
<span>Pancreatic proteases (such as trypsin and chymotrypsin) - which help to digest proteins.Pancreatic amylase - which helps to digest sugars (carbohydrates).<span>Pancreatic lipase - which helps to digest fat.</span></span>
Answer:
Viruses have the characteristic to multiply when they enter a living cell. But, they actually cannot reproduce.
