Which of the following is not a direct threat to biodiversity?
habitiat loss
exotic species
acid rain
hunting

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.

oceans

indian ocean

pacific ocean

atlantic ocean

arctic ocean

southern ocean