In an experiment ;what is the variable changed by the experiment called

independent variable

Explanation:

There are 3 variable independent, dependent & controlled and independent is the one that changes

dependent

Explanation:

independent is the variable which do not change

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.

cell division is not regulated in tumor cells.