We Are Parasites Noun: An organism who habitually relies on or exploits others and gives nothing in return. Host: An organism that lives in or on another organism (its host) and benefits by deriving nutrients at the host’s expense. J. F. Bautista This slideshow requires JavaScript. Advertisements Share this:Click to share on Twitter (Opens in new window)Share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Google+ (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Skype (Opens in new window)Click to email (Opens in new window)MoreClick to share on Pinterest (Opens in new window)Like this:Like Loading...