Answer:
They help each other through companionship and survival. A person may keep a pet out of a shelter, from the kindness of their hearts, thereby providing the creature with food, water, shelter and a family. They may run a wild-life centre again providing such neccestities for animals and plant trees, not destroy their habitats but grow them so they can live. Animals in turn provide us with food, aiding in survival. They may be trained such as guard dogs to use their senses for our protection such as dogs sniffing out theives and barking in danger. And both humans and animals provide each other with comfort, warmth and companionship which is vital to ones life.
