Symbiotic relationships are great fun to teach, and this no-prep product will make your job even more enjoyable! It's a great way to support your students' mastery of mutualism, commensalism, parasitism and predator-prey relationships!
Included in this product are:
Handouts 8 pages (21 Different Symbiotic Relationships)
Students are given a short description of a symbiotic relationship, they use the information in the description to complete a table and then use the table to help them determine the type of symbiotic relationship.
Symbiosis is a close, prolonged association between two or more organisms of different species that may, but not necessarily, benefit each member. At the upper elementary level and the middle school level, the focus is on the following symbiotic relationships: predator-prey, mutualism, parasitism and commensalism. In a predator –prey relationship, one organism hunts, captures and consumes another organism (prey). The prey typically has adaptations that help them avoid predation. Examples of organisms in a predator-prey relationship are lion/zebra and polar bear/seal. In a mutualistic relationship, both organisms benefit. Examples of mutualism are clownfish/sea anemone and aphids/ants. Over time two organisms may evolve into one organism, as seen with lichens. Lichen is a plant where strands of algae have linked to the roots and branches of fungus. Together these organisms conduct photosynthesis and obtain minerals from the ground. In this situation, what was once a mutualistic relationship has evolved into a single organism. In a parasitic relationship, one organism (the parasite) benefits and the organism (the host) is harmed. Examples of parasitism are botfly/humans and dodder/shrub. In commensalism, one organism benefits and the other one neither benefits nor is harmed. Examples of commensalism are flatworm/horse crab and cattle egrets/cattle.