X1011302061-00211-52233</DOCNO> Ecology Ecology "the ecological theater and the evolutionary play" G.E. Hutchinson The study of the interactions of organisms with each other and with their physical environment Ecosystems: all of the organisms that occur together at a particular place, as well as the environment with which they interact Communities: all the organisms that occur together at a particular place Trophic Levels &#9; Primary Producers : organisms that make their own food Autotrophs: green plants, algae and autotrophic bacteria &#9; Primary Consumers : animals that feed on living plants &#9;&#9;Hetrotrophs: herbivores &#9; Secondary Consumers : animals that feed on other animals &#9;&#9;Hetrotrophs: parasites and carnivores Decomposers : breakdown organic matter stored in bodies of other organisms &#9;&#9;Hetrotrophs: fungi, bacteria, small animals
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occur together feed interact stored occur together make feed
L:at a particular place
Communities
L:in bodies of other organisms &#9
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