Test corrections, the one on notebook paper is the question, these are the answer options: A. Use phosphorus to produce toxins as protection

B. Compete for the resource of phosphorus

C. Are unable to breakdown and use phosphorus

I will give brainliest. But if your answer is not serious or anything I will report.

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.

any abiotic or biotic factor in an ecosystem that causes a population's size to slow or decrease is a limiting factor.

more words for this could be abiotic and biotic

abiotic: living organisms within an ecosystem

biotic: non-living organisms within an ecosystem