Packaging methods of watermelon ​

The packing process consists of:

The workers remove the watermelons from the bulk cardboard bins and place them onto the packing line.

The watermelons pass through three different brush steps (without the use of any wash water)

The watermelons are labeled and packed into large cardboard bins once again.

Explanation:

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.