T1 SCO P ES : W eek 5 The information and diagram below is used for both questions for Day 1: A group of organism s that interact w ith and depend upon one another is called a com m unity. The m ovem ent of m atter and energy through a com m unity can be studies by exam ining its food w eb. A s organism s eat other organism s, energy and nutrients pass through various feeding levels. These feeding levels are called trophic levels. The follow ing is a diagram of the energy and nutrient flow through a sim ple com m unity. D ay 1-1 (1 2 C ) W hich group above w ould m ost likely contain living algae? A producers B second-order consum ers C first-order consum ers D decom posers D ay 1-2 (12C) A ccording to the diagram , nutrients from dead organism s are released into the soilby the action of – F producers G first-order consum ers H third-order consum ers J decom posers