I’m assuming the six kingdoms of life, but yes they do have a very large purpose for providing characteristics to bacteria, animals, fungi, humans, etc.
Answer:
Replication
It’s called this because when you make a copy of something like you print to copies of the same assignment you are replicating the worksheets. This is an example of the answer so replication is to make a copy of something or multiple copies.
Explanation:
The immune system, and the excretory system
(Honestly, all of them work to keep us 'healthy', but I believe these are the ones you're looking for)
