They all work in the digestive system and they all play a role in the digestive system
Many prokaryotic organisms such as bacteria reproduce by the process of binary fission.
D. All of the above.
Hope I helped.
Limiting factors are resources or other factors in the environment that can lower the population growth rate. Limiting factors include a low food supply and lack of space. Limiting factors can lower birth rates, increase death rates, or lead to emigration.