How do scientist classify kingdoms

The way that scientists classify kingdoms is by their scientific name when they first discovered them so there won’t be no confusion in our world. They can also classify them by what they eat or what environment they live in.

Explanation:

characteristics like structure,function,and method of reproduction into smaller groups.

a chair, a bed, and a toothbrush

explanation:

i was told this before by a teacher, so yeah

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.