Answer: Host
Explanation:
The living organism that helps provide nutrients to another organism inside is the host.
A host is simply refered to as a larger organism which keeps a smaller organism and then provides the organism with shelter and nourishment.
Examples of host include a dog that has fleas on it. The dog keeps the flea and provide it with nutrient.
Many different ways try helping them by gaveling yourself advice by giving them the same advice
factory farming is a major contributing to water and air pollution as well as deforestation