Species Interactions Worksheet with Key, Exercises of Ecology and Environment

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Name: _ KE V Date: Block: Species Interactions Worksheet Part A: Chart Directions: Using the definitions from your vocabulary worksheet and pages 397-402 of your textbook, use the following symbols to describe the interactions between organisms in each type of species interaction. (Note: the first type of interaction— parasitism—has been filled-in as an example) + = organism benefits - = organism is harmed 0 = organism neither benefits nor is harmed (neutral) Interaction Organism #1 Organism #2 Parasitism f — Predation + —~ Competition — = Mutualism + + Commensalism + O Part B: Scenarios Directions: Read through each scenario and determine whether it is a case of parasitism, predation, competition, mutualism, commensalism. In COMPLETE SENTENCES, explain the reasoning behind each choice. 1. Shrimp and Sea Anemone: The shrimp is immune to the stinging tentacles of the sea anemone. By hiding in the sea anemone, the shrimp is protected from predators. Interaction: Co mmensalis nr Shrimy aets protection from predaters ¥ ef f Sea anomore, not affected By sheionp