4/20 Symbiotic Relationships Practice Questions

Master symbiotic relationships with practice questions on mutualism, commensalism, and parasitism!

1. Vocabulary Matching symbiotic relationship describes any close relationship between two species; three different types mutualism a relationship between two species that helps both of them; :) :) commensalism a relationship between two species that helps one and does not affect the other species at all: :) and :| parasitism a relationship between two species that helps one and hurts the other species; :) and :( 2.Lichen: a relationship between fungus and algae-fungus provides nutrients to algae-algae provides food to fungusWhat type of symbiotic relationship is it? mutualism commensalism parasitism 3.Galls on Oak Leaves: relationship between the insects that make the galls and the oak tree.-insects form a nursery called a gall on the leaf of a tree. Insects have a safe place to develop.-the tree is not helped or harmed by the presence of the galls.What type of symbiotic relationship is it? mutualism commensalism parasitism 4.Mistletoe: relationship between mistletoe and the tree that it is attached to-mistletoe gets food and water from the tree-the tree loses food and water that it needs. It will eventually die.What type of symbiotic relationship is it? mutualism commensalism parasitism 5.Shark and remora fish: relationship between the shark and remora fish- remora fish get free food bits by hanging out with sharks.- sharks are not affected by the presence of the fishWhat type of symbiotic relationship is it? mutualism commensalism parasitism 6.Cow and intestinal bacteria: relationship between the cow and the bacteria in its intestine.-bacteria live in the intestines of cows and other organisms (even people!)-bacteria help to digest food for the cow-the cow provides a warm, moist environment for the bacteria to liveWhat type of symbiotic relationship is it? mutualism commensalism parasitism 7.Athlete's foot: relationship between your toes and a fungus-athlete's foot is a fungus growing between and around human toes-the fungus gest nutrients from the human skin-athlete's food causes dry, scaly skin, itching, inflammation and even blistersWhat type of symbiotic relationship is it? mutualism commensalism parasitism 8. Sorting Symbiotic Relationships All Symbiotic Relationships two species have adaptations to interact with each other for survival Mutualism Only both species are helped by the relationship clownfish lives in a sea anemone; the fish gets shelter and protects the anemone Commensalism Only only one species is helped, and the other is not helped or harmed cattle egret bird follows the cows and eats the bugs that fly up when the cows walk Parasitism Only only one species is helped, and the other is harmed by the relationship hookworm lives inside a host and sucks its blood; host loses blood and nutrients