What are parasites known for?

Parasites are known for living on hosts, as their survival and reproduction are closely linked to their host organisms. This relationship often involves the parasite deriving nutrients and benefits from the host while potentially causing harm to it. The biological dependency of parasites on their hosts is a key characteristic that distinguishes them from other organisms. Rather than living independently, which is typical of free-living organisms, parasites rely on their hosts for sustenance. This interaction can vary in its degree of harm; while some parasites might cause significant health issues for their hosts, others may have a less detrimental impact. Understanding this relationship is essential in fields like medicine and veterinary science, as it underlines the importance of addressing parasitic infections and their effects on health.