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.
This plant is not dangerous and can help treat cancer, this plant produces Curol, something that cannot be created in laboratory, so it will be a pleasure for me to preserve this plant it is a important plant that will save many peoples life in the future. There will be a treatment for cancer and families would stop crying after lost family that dies from cancer.
Your correct answer would be A. Nervous system
The cell is considered to be the most basic living unit.
It is important to be logical so that you do not end with an impossible conclusion/solution/answer, but you must be creative so that you can think of different ways to try things to get the result you need/ a new result.
Hope this helps!