Regeneration in planarians depends on the presence of stem cells called neoblasts. These cells are distributed throughout the body and, when part of the worm has been amputated, they are activated to reform the tissues that have been removed.
Diarrhea through bacteria infection
Answer:
c. is a biotic factor within an ecosystem
<span>"It is likely you are suffering from airborne allergies that are unfamiliar to your body. I recommend that you see your acupuncturist and seek help for these symptoms since you prefer to not to take medication".</span>
They convert carbon into other 'waste' products like oxygen. To put it simply it removes carbon from the carbon cycle.
