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Symbiotic Relationships Read each scenario below. Determine what type of symbiotic relationship is occurring by highlighting the two organism’ relationships and labeling the “thumbs” (positive, neutral, or negative). In the last column, describe why you have chosen this type of symbiotic relationship. Remember to discuss both members of the relationship. Scenario (highlight – 2 different colors) 1. As far as is known, the clownfish is able to produce a special mucus that causes the anemone not to release its stings. It is also believed that the movements of the fish inform the anemone of its identity. In return for the anemone's protection, the fish brings scraps to it, and lures larger fish into the anemone's tentacles. 2. Spider crabs live in shallow areas of the ocean floor, and greenish-brown algae lives on the crabs' backs, making the crabs blend in with their environment, and unnoticeable to predators. The algae choose the crabs back because it provides a nice home. 3. Certain kind of bacteria lives in the intestines of humans and many other animals. The human cannot digest all of the food that it eats. The bacteria eat the food that the human cannot digest and partially digest it, allowing the human to finish the job. The bacteria benefit by getting food, and the human benefits by being able to digest the food it eats. Type of Relationship Label the “thumbs”or symbols!! Reason 4. Bees fly from flower to flower-gathering nectar, which they make into food, benefiting the bees. When they land in a flower, the bees get some pollen on their hairy bodies, and when they land in the next flower, some of the pollen from the first one rubs off, pollinating the plant. 5. Buffalo used to travel in herds across the plains, as they walked through the grass the insects would fly out of the grass and the cowbirds would eat them. The cowbirds would follow the buffalo, which helped them catch insects. 6. Bromeliads are plants that grow on other plants. They are found in rain forest and often collect water. Several species of tree frog will lay several eggs inside a bromeliad. This provides a safe pool for the tadpoles to develop into frogs. 8. The lamprey is a large invertebrate that attaches itself to other fish. The lamprey scrapes a hole in the fish's skin and sucks the blood out, killing the fish. 9. The Mistletoe (plant) grows on a mangrove. The Mistletoe penetrates the bark of the mangrove and then takes some of its food from the mangrove.