What level of organization encompasses an entire, complete living thing?

Acellular level and Pre-cellular levelAtoms  

OrganFunctional groups of tissues

Organ systemFunctional groups of organs

Ecological levelsOrganismThe basic living system, a functional grouping of the lower-level components, including at least one cell

Explanation:

advantage of using stem cells in medical research:

1.       it provides medical benefits in the fields of therapeutic cloning and regenerative medicine.

2. it provides great potential for discovering treatments and cures to a variety of diseases including parkinson disease, spinal cord injuries, diabetes, alzheimer’s disease and many more.

3. limbs and organ could be grown in lab from stem cells and then used in transplant or treat illness.

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