Answer:
Single celled organism do not contactile vacuoles
Explanation:
The point of the contractile vacuole is to pump water out of the cell through a process called osmoregulation, the regulation of osmotic pressure.
Answer:
The somatic nervous system is associated with activities traditionally thought of as conscious or voluntary. The autonomic nervous system controls our internal organs and glands and is generally considered to be outside the realm of voluntary control.
positive feedback could be contractions(as painful as it may seem, its true) in child birth and the ripening of fruit.
negative feedback include the regulation of blood glucose levels and osmoregulation
Answer:cell is the basic unit of life.
A cell may be unicellular or multicellular
Explanation:
Starch is a high molecular weight substance; therefore, it is insoluble to our cells. It needs to be broken down to simple sugars like glucose in order for it to be dissolved/absorbed in our blood. This is because simple sugars has smaller molecular weights and are more soluble.
