The process of making multiple copies of a cell to treat a disease.

Therapeutic cloning.

Explanation: DNA cloning means making an identical copies of a gene. To clone means to make identical copies. Cloning can classified as reproductive or therapeutic cloning. Reproductive cloning is the process of making identical cells of an organism while therapeutic cloning is the process of making multiple copies of a cell to treat a disease. DNA cloning involves the separation of a specific gene or DNA segment from a larger chromosome, attaching it to a small molecule of carrier DNA and replication of the modified DNA thousands or millions of times.

well for one plants are always the producer, so a is the answer. a wolf is more of the consumer(predator) and the deer is the prey so i know those two are out of the question. also mushrooms are fungi/fungus so a is the producer.