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Species Interactions (Symbiosis) Mutualism Both species benefit A+ B+ Commensalism One benefits from A + Bo Zebra and tick bird other Epiphytes Amensalism One species is harmed by other Grazing stock trampling plants A o B - Exploitation One benefits at expense of other Predation, Herbivory, Parasitism A + B- Antibiosis One is harmed by a compound the other produces Thyme plant releasing toxins A o B - Competition Both species are harmed Plants competing for light A - B - Activity 1. Look at card 2. Identify the type of interaction 3. Explain how each species is affected in terms of survival and food resources Text Book • Read pg 22-23 • Highlight key words • What is the difference between parasitism and parasitoids? • Answer Q6 pg 26