Oncogenes are mutated forms of genes. Oncogenes can transform a cell into a tumor cell. Some tumor cells are benign, while others are malignant. How does the
presence of an oncogene lead to the formation of a tumor?

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.

answer; synapse;

answerclassical conditioning;

answer///alimentary canal/gastrointestinal tract.digestive (gi);