Answer:
Maintaining constant water and salt concentration (osmoregulation), keeping a constant temperature of the body and excreting waste substances.
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.
Dead things were once living, such as a dead plant. Non-living things were never alive, like coal.
The answer is C.
<span>Carbohydrates acts as source of energy for the body
glucose and a store of energy or starch in plants</span>
