The abundance or absence of many of these species can also impact humans' way of life, especially in certain cultures or regions that have an especially high level of dependence on them.
For example, approximately 80 percent of a typical human diet consists of plants or animals that eat at least some plants, while around 20 percent is linked to fish. This means that seemingly minor disruptions that do not initially appear to directly impact humans can significantly alter the overall food chain. The abundance or absence of many of these species can also impact humans' way of life, especially in certain cultures or regions that have an especially high level of dependence on them.